New York City, New York, USA (original) (raw)

ⓘ Actinolite

Formula: ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2

Localities:

10th Avenue between 50th Street & 63rd Street, Manhattan (New York County), New York City, New York, USA
130th Street & Convent Avenue, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA

ⓘ Albite

Formula: Na(AlSi3O8)

Localities: Reported from at least 8 localities in this region.

ⓘ Albite var. Oligoclase

Formula: (Na,Ca)[Al(Si,Al)Si2O8]

Localities:

161st Street & Broadway, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
88th Street, Manhattan (New York County), New York City, New York, USA
93rd Street & Riverside Drive, Manhattan (New York County), New York City, New York, USA

ⓘ Allanite-(Ce)

Formula: (CaCe)(AlAlFe2+)O[Si2O7][SiO4](OH)

ⓘ Allophane

Formula: (Al2O3)(SiO2)1.3-2 · 2.5-3H2O

ⓘ Almandine

Formula: Fe2+3Al2(SiO4)3

Localities: Reported from at least 9 localities in this region.

Description: 6 inch diameter crystal in Kunz collection (illustrated in Manchester (1931).

ⓘ Alunite

Formula: KAl3(SO4)2(OH)6

ⓘ 'Amber'

ⓘ 'Amphibole Supergroup'

Formula: A B2C5((Si,Al,Ti)8O22)(OH,F,Cl,O)2

ⓘ Analcime

Formula: Na(AlSi2O6) · H2O

ⓘ Ancylite-(Ce)

Formula: CeSr(CO3)2(OH) · H2O

ⓘ Andradite

Formula: Ca3Fe3+2(SiO4)3

ⓘ Anhydrite

Formula: CaSO4

ⓘ Ankerite

Formula: Ca(Fe2+,Mg)(CO3)2

ⓘ Annite

Formula: KFe2+3(AlSi3O10)(OH)2

ⓘ Anthophyllite

Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2

Description: Occurs in a host vein in serpentine that is 12 feet (3.6 meters) wide.

ⓘ Antigorite

Formula: Mg3(Si2O5)(OH)4

ⓘ 'Apatite'

Formula: Ca5(PO4)3(Cl/F/OH)

Localities:

The Bronx (Bronx County), New York City, New York, USA
82nd Street & Central Park West, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA

Description: Occurs in veins in Fordham gneiss.

ⓘ 'Apophyllite Group'

Formula: A B4[Si8O22]X · 8H2O

ⓘ Aragonite

Formula: CaCO3

Localities:

Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
Harlem Ship Canal, Manhattan (New York County), New York City, New York, USA
215th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Spring Street Artinite occurrence, Staten Island (Richmond County), New York City, New York, USA

ⓘ Aragonite var. Flos Ferri

Formula: CaCO3

Colour: White

Description: Occurs as delicately crystallized crusts coating fracture surfaces in Inwood Limestone.

ⓘ Arsenopyrite

Formula: FeAsS

ⓘ Artinite

Formula: Mg2(CO3)(OH)2 · 3H2O

Localities:

Spring Street Artinite occurrence, Staten Island (Richmond County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
Victory Diner locality, Staten Island (Richmond County), New York City, New York, USA

ⓘ 'Asbestos'

Localities:

St George (Fort Hill; Fort George), Staten Island (Richmond County), New York City, New York, USA
Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
Staten Island (Richmond County), New York City, New York, USA
10th Avenue between 50th Street & 63rd Street, Manhattan (New York County), New York City, New York, USA
Pavilion Hill, Tompkinsville, Staten Island (Richmond County), New York City, New York, USA

Description: Amphibole asbestos with fibers to nearly 1 foot (.3 meters) long.

ⓘ Augite

Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6

ⓘ Aurichalcite ?

Formula: (Zn,Cu)5(CO3)2(OH)6

ⓘ Autunite

Formula: Ca(UO2)2(PO4)2 · 10-12H2O

ⓘ Azurite

Formula: Cu3(CO3)2(OH)2

ⓘ Beryl

Formula: Be3Al2(Si6O18)

Localities:

157th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
65th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Manhattan-Staten Island Water Tunnel Rock Dumps, Staten Island (Richmond County), New York City, New York, USA
207th Street & Broadway, Manhattan (New York County), New York City, New York, USA

Colour: green

ⓘ Beryl var. Aquamarine

Formula: Be3Al2Si6O18

ⓘ Beryl var. Heliodor

Formula: Be3Al2(Si6O18)

ⓘ 'Biotite'

Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2

Localities: Reported from at least 8 localities in this region.

Description: Occurs abundantly in Fordham gneiss.

ⓘ Bornite

Formula: Cu5FeS4

ⓘ Bournonite

Formula: PbCuSbS3

ⓘ Brucite

Formula: Mg(OH)2

ⓘ Calcioancylite-(Ce)

Formula: (Ce,Ca,Sr)CO3(OH,H2O)

ⓘ Calcite

Formula: CaCO3

Localities: Reported from at least 13 localities in this region.

ⓘ 'Chabazite'

Localities:

Manhattan Island, Manhattan (New York County), New York City, New York, USA
Southern Boulevard, The Bronx (Bronx County), New York City, New York, USA
63rd Street Tunnel, Manhattan (New York County), New York City, New York, USA
Water Tunnel #3, Woodside, Queens (Queens County), New York City, New York, USA

ⓘ Chabazite-Ca

Formula: (Ca,K2,Na2)2[Al2Si4O12]2 · 12H2O

ⓘ Chabazite-K

Formula: (K2,Ca,Na2,Sr,Mg)2[Al2Si4O12]2 · 12H2O

ⓘ Chalcopyrite

Formula: CuFeS2

Localities: Reported from at least 6 localities in this region.

ⓘ 'Chlorite Group'

ⓘ Chondrodite

Formula: Mg5(SiO4)2F2

ⓘ Chromite

Formula: Fe2+Cr3+2O4

Localities:

Staten Island (Richmond County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
Grymes Hill, Staten Island (Richmond County), New York City, New York, USA

Habit: Octahedral

Colour: Black

Description: Irregular grains & small, octahedral crystals.

ⓘ Chrysoberyl

Formula: BeAl2O4

Localities:

164th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
88th Street, Manhattan (New York County), New York City, New York, USA
93rd Street & Riverside Drive, Manhattan (New York County), New York City, New York, USA

Description: Gem quality crystals.

ⓘ Chrysotile

Formula: Mg3(Si2O5)(OH)4

Localities:

10th Avenue between 50th Street & 63rd Street, Manhattan (New York County), New York City, New York, USA
Grymes Hill, Staten Island (Richmond County), New York City, New York, USA
Lincoln Avenue, Staten Island (Richmond County), New York City, New York, USA
Swan Street, Staten Island (Richmond County), New York City, New York, USA

ⓘ Clinochlore

Formula: Mg5Al(AlSi3O10)(OH)8

Localities:

Tuckahoe, Eastchester, The Bronx (Bronx County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA

ⓘ Clinochlore var. Chromium-bearing Clinochlore

Formula: Mg5(Al,Cr)2Si3O10(OH)8

ⓘ 'Clinochrysotile'

ⓘ Coalingite

Formula: Mg10Fe3+2(OH)24[CO3] · 2H2O

ⓘ Columbite-(Fe)

Formula: Fe2+Nb2O6

ⓘ 'Columbite-(Fe)-Columbite-(Mn) Series'

ⓘ Copper

Formula: Cu

ⓘ Cordierite

Formula: (Mg,Fe)2Al3(AlSi5O18)

ⓘ Corundum

Formula: Al2O3

ⓘ Cummingtonite

Formula: ◻{Mg2}{Mg5}(Si8O22)(OH)2

ⓘ Cuprite

Formula: Cu2O

ⓘ Datolite

Formula: CaB(SiO4)(OH)

ⓘ 'Deweylite'

Formula: Mg4Si3O10 · 6H2O ?

Localities:

Staten Island (Richmond County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
Lincoln Avenue, Staten Island (Richmond County), New York City, New York, USA

ⓘ Diopside

Formula: CaMgSi2O6

Localities: Reported from at least 7 localities in this region.

ⓘ Dolomite

Formula: CaMg(CO3)2

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Eastchester, The Bronx (Bronx County), New York City, New York, USA
Tuckahoe, Eastchester, The Bronx (Bronx County), New York City, New York, USA
Manhattan-Staten Island Water Tunnel Rock Dumps, Staten Island (Richmond County), New York City, New York, USA
218th Street & Broadway, Manhattan (New York County), New York City, New York, USA

ⓘ Dravite

Formula: NaMg3Al6(Si6O18)(BO3)3(OH)3(OH)

ⓘ 'Dravite-Uvite Series'

Localities:

New York City, New York, USA
Harlem Ship Canal, Manhattan (New York County), New York City, New York, USA
Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Manhattan Island, Manhattan (New York County), New York City, New York, USA

ⓘ Dumortierite

Formula: Al(Al2O)(Al2O)2(SiO4)3(BO3)

Localities:

Manhattan Island, Manhattan (New York County), New York City, New York, USA
The Bronx (Bronx County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA
171st Street & Broadway, Manhattan (New York County), New York City, New York, USA

ⓘ Enstatite

Formula: Mg2Si2O6

Description: The enstatite occured in a water tunnel under The Narrows channel from Brooklyn to Staten Island.

ⓘ Epidote

Formula: (CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)

Localities:

Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Water Tunnel #3, Woodside, Queens (Queens County), New York City, New York, USA
The Bronx (Bronx County), New York City, New York, USA
Richmond Aqueduct tunnel, Tompkinsville, Staten Island (Richmond County), New York City, New York, USA

ⓘ Epsomite

Formula: MgSO4 · 7H2O

ⓘ 'Feldspar Group'

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
82nd Street & Central Park West, Manhattan (New York County), New York City, New York, USA
106th Street & Central Park West, Manhattan (New York County), New York City, New York, USA
Richmond Aqueduct tunnel, Tompkinsville, Staten Island (Richmond County), New York City, New York, USA

ⓘ Ferrimolybdite

Formula: Fe2(MoO4)3 · nH2O

ⓘ Ferro-gedrite

Formula: ◻{Fe2+2}{Fe2+3Al2}(Al2Si6O22)(OH)2

ⓘ Ferro-hornblende

Formula: ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2

ⓘ Fluocerite-(Ce)

Formula: CeF3

ⓘ Fluorapatite

Formula: Ca5(PO4)3F

Localities:

East 170th Street & Marion Avenue, The Bronx (Bronx County), New York City, New York, USA
106th Street & Central Park West, Manhattan (New York County), New York City, New York, USA
Manhattan Island, Manhattan (New York County), New York City, New York, USA

ⓘ Fluorapophyllite-(K)

Formula: KCa4(Si8O20)(F,OH) · 8H2O

ⓘ Fluorite

Formula: CaF2

ⓘ 'Fluor-uvite-Uvite Series'

ⓘ Forsterite

Formula: Mg2SiO4

Description: NOTE: Reported as "olivine" in a magnesium-rich serpentinized body.

ⓘ Galena

Formula: PbS

Habit: Cubic, modified by the octahedron.

Description: Small crystals.

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

Localities: Reported from at least 9 localities in this region.

Description: Gemmy material.

ⓘ 'Garnierite'

ⓘ Goethite

Formula: α-Fe3+O(OH)

Localities:

Grymes Hill, Staten Island (Richmond County), New York City, New York, USA
Clove Lake park, Staten Island (Richmond County), New York City, New York, USA
106th Street & Central Park West, Manhattan (New York County), New York City, New York, USA
Reeds Basket Willow Swamp Park, Staten Island (Richmond County), New York City, New York, USA

ⓘ Gold ?

Formula: Au

ⓘ Graphite

Formula: C

ⓘ Grossular

Formula: Ca3Al2(SiO4)3

ⓘ 'Gummite'

ⓘ Gypsum

Formula: CaSO4 · 2H2O

ⓘ Harmotome

Formula: Ba2(Si12Al4)O32 · 12H2O

ⓘ Hematite

Formula: Fe2O3

ⓘ Heulandite-Ca

Formula: (Ca,Na)5(Si27Al9)O72 · 26H2O

ⓘ 'Heulandite Subgroup'

Formula: (Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O

ⓘ 'Hornblende Root Name Group'

Formula: ◻Ca2(Z2+4Z3+)(AlSi7O22)(OH,F,Cl)2

ⓘ Hydromagnesite

Formula: Mg5(CO3)4(OH)2 · 4H2O

Localities: Reported from at least 6 localities in this region.

ⓘ 'Hydrotalcite-2H'

Formula: Mg6Al2(CO3)(OH)16 · 4H2O

ⓘ Ilmenite

Formula: Fe2+TiO3

ⓘ Kalinite ?

Formula: KAl(SO4)2 · 11H2O

ⓘ Kaolinite

Formula: Al2(Si2O5)(OH)4

ⓘ Kyanite

Formula: Al2(SiO4)O

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Manhattan (New York County), New York City, New York, USA
93rd Street & Riverside Drive, Manhattan (New York County), New York City, New York, USA
World Trade Center Site, Manhattan (New York County), New York City, New York, USA

ⓘ Laumontite

Formula: CaAl2Si4O12 · 4H2O

ⓘ 'Limonite'

Localities:

Staten Island (Richmond County), New York City, New York, USA
Tyson's Mine, Four Corners on the Richmond Turnpike, Staten Island (Richmond County), New York City, New York, USA
New Dorp Mine, New Dorp Station, Staten Island (Richmond County), New York City, New York, USA
Cooper and Hewitt Mine, Ocean Terrace, Staten Island (Richmond County), New York City, New York, USA
106th Street & Central Park West, Manhattan (New York County), New York City, New York, USA

ⓘ Lizardite

Formula: Mg3(Si2O5)(OH)4

Localities:

Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
Swan Street, Staten Island (Richmond County), New York City, New York, USA
Spring Street Artinite occurrence, Staten Island (Richmond County), New York City, New York, USA

ⓘ Magnesiochromite

Formula: MgCr2O4

ⓘ Magnesite

Formula: MgCO3

Localities:

Staten Island (Richmond County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA

Spring Street Artinite occurrence, Staten Island (Richmond County), New York City, New York, USA

(more information)

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

Localities:

56th Street between 6th & 7th Avenues, Manhattan (New York County), New York City, New York, USA
176th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
106th Street & Central Park West, Manhattan (New York County), New York City, New York, USA
Clove Lake park, Staten Island (Richmond County), New York City, New York, USA

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

Localities:

Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
55th Street, Manhattan (New York County), New York City, New York, USA
170th Street & Broadway, Manhattan (New York County), New York City, New York, USA

ⓘ Marcasite

Formula: FeS2

Localities:

Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
172nd Street & Grand Concourse, The Bronx (Bronx County), New York City, New York, USA
Kreischerville, Staten Island (Richmond County), New York City, New York, USA
Harlem Ship Canal, Manhattan (New York County), New York City, New York, USA
207th Street & Broadway, Manhattan (New York County), New York City, New York, USA

ⓘ Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

ⓘ Mesolite

Formula: Na2Ca2Si9Al6O30 · 8H2O

ⓘ Meta-autunite

Formula: Ca(UO2)2(PO4)2 · 6H2O

ⓘ 'Mica Group'

Description: Manchester's "Minerals of Broadway" (1914) quotes Gilman Stanton that mica (reported as muscovite) crystals up to seven inches across were found at the location.

ⓘ Microcline

Formula: K(AlSi3O8)

Localities:

Manhattan-Staten Island Water Tunnel Rock Dumps, Staten Island (Richmond County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
185th Street & Harlem Speedway (Harlem River Drive), Manhattan (New York County), New York City, New York, USA
164th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA

ⓘ 'Microlite Group'

Formula: A2-mTa2X6-wZ-n

ⓘ Millerite

Formula: NiS

ⓘ Molybdenite

Formula: MoS2

ⓘ Molybdite

Formula: MoO3

ⓘ Monazite-(Ce)

Formula: Ce(PO4)

ⓘ 'Monazite Group'

Formula: REE(PO4)

Localities:

Manhattan Island, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities: Reported from at least 17 localities in this region.

ⓘ Natrolite

Formula: Na2Al2Si3O10 · 2H2O

ⓘ Nepheline

Formula: Na3K(Al4Si4O16)

ⓘ Opal

Formula: SiO2 · nH2O

ⓘ Opal var. Opal-AN

Formula: SiO2 · nH2O

Description: Thin brittle colorless coating in cracks in feldspar and quartz. Fluorescent light green under SW UV.

ⓘ Orthoclase

Formula: K(AlSi3O8)

Localities:

Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA

ⓘ Pectolite

Formula: NaCa2Si3O8(OH)

ⓘ Phlogopite

Formula: KMg3(AlSi3O10)(OH)2

Localities:

Tuckahoe, Eastchester, The Bronx (Bronx County), New York City, New York, USA
Manhattan-Staten Island Water Tunnel Rock Dumps, Staten Island (Richmond County), New York City, New York, USA
World Trade Center Site, Manhattan (New York County), New York City, New York, USA

ⓘ 'Pinite'

ⓘ 'Plagioclase'

Formula: (Na,Ca)[(Si,Al)AlSi2]O8

Localities:

Water Tunnel #3, Woodside, Queens (Queens County), New York City, New York, USA
World Trade Center Site, Manhattan (New York County), New York City, New York, USA
Manhattan schist, Manhattan Island, Manhattan (New York County), New York City, New York, USA

ⓘ Prehnite

Formula: Ca2Al2Si3O10(OH)2

ⓘ 'Psilomelane'

ⓘ Pyrite

Formula: FeS2

Localities: Reported from at least 13 localities in this region.

ⓘ Pyroaurite

Formula: Mg6Fe3+2(OH)16[CO3] · 4H2O

ⓘ 'Pyrochlore Group'

Formula: A2Nb2(O,OH)6Z

ⓘ Pyrolusite

Formula: Mn4+O2

ⓘ Pyrophyllite

Formula: Al2Si4O10(OH)2

ⓘ 'Pyroxene Group'

Formula: ADSi2O6

ⓘ Pyrrhotite

Formula: Fe1-xS

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
218th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Harlem Ship Canal, Manhattan (New York County), New York City, New York, USA
Graniteville Quarry, Staten Island (Richmond County), New York City, New York, USA

ⓘ Quartz

Formula: SiO2

Localities: Reported from at least 28 localities in this region.

ⓘ Quartz var. Amethyst

Formula: SiO2

ⓘ Quartz var. Prase

Formula: SiO2

ⓘ Quartz var. Rock Crystal

Formula: SiO2

ⓘ Quartz var. Smoky Quartz

Formula: SiO2

Localities:

Washington Heights, Manhattan (New York County), New York City, New York, USA
204th Street & Post Avenue, Manhattan (New York County), New York City, New York, USA
Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
Eastchester, The Bronx (Bronx County), New York City, New York, USA

Description: Massive, transparent smoky quartz of gem quality. Cut stones illustrated in Manchester (1931).

ⓘ Rutile

Formula: TiO2

Localities: Reported from at least 6 localities in this region.

ⓘ 'Scapolite'

ⓘ Schorl

Formula: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Grand Central Terminal, Manhattan (New York County), New York City, New York, USA
162nd Street & Broadway, Manhattan (New York County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA
Manhattan-Staten Island Water Tunnel Rock Dumps, Staten Island (Richmond County), New York City, New York, USA

ⓘ Sepiolite

Formula: Mg4(Si6O15)(OH)2 · 6H2O

ⓘ 'Serpentine Subgroup'

Formula: D3[Si2O5](OH)4

Localities:

Spring Street Artinite occurrence, Staten Island (Richmond County), New York City, New York, USA
Grymes Hill, Staten Island (Richmond County), New York City, New York, USA
Lincoln Avenue, Staten Island (Richmond County), New York City, New York, USA
10th Avenue between 50th Street & 63rd Street, Manhattan (New York County), New York City, New York, USA

ⓘ 'Serpentine Subgroup var. Marmolite'

Formula: D3[Si2O5](OH)4 D= Mg, Fe, Ni, Mn, Al, Zn

ⓘ Siderite

Formula: FeCO3

ⓘ Siderite var. Sphärosiderite

Formula: FeCO3

ⓘ Sillimanite

Formula: Al2(SiO4)O

ⓘ Spessartine

Formula: Mn2+3Al2(SiO4)3

Colour: Light orange-red.

Description: A partial crystal of gem quality from which 39 gemstones were cut (illustrated in Manchester (1931)).

ⓘ Sphalerite

Formula: ZnS

Localities:

Eastchester, The Bronx (Bronx County), New York City, New York, USA
Tuckahoe, Eastchester, The Bronx (Bronx County), New York City, New York, USA
New York City, New York, USA
Graniteville Quarry, Staten Island (Richmond County), New York City, New York, USA

ⓘ Spinel

Formula: MgAl2O4

ⓘ Staurolite

Formula: Fe2+2Al9Si4O23(OH)

ⓘ Stevensite

Formula: (Ca,Na)xMg3-x(Si4O10)(OH)2

ⓘ Stichtite

Formula: Mg6Cr3+2(OH)16[CO3] · 4H2O

ⓘ Stilbite-Ca

Formula: NaCa4(Si27Al9)O72 · 28H2O

ⓘ 'Stilbite Subgroup'

Formula: M6-7[Al8-9Si27-28O72] · nH2O

Localities:

Manhattan Island, Manhattan (New York County), New York City, New York, USA
Southern Boulevard, The Bronx (Bronx County), New York City, New York, USA
45th Street & 2nd Avenue, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Roosevelt Island (Welfare Island), Manhattan (New York County), New York City, New York, USA

ⓘ Talc

Formula: Mg3Si4O10(OH)2

Localities:

Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
Staten Island (Richmond County), New York City, New York, USA
Todt Hill Serpentinite, Staten Island (Richmond County), New York City, New York, USA
Grymes Hill, Staten Island (Richmond County), New York City, New York, USA
Harlem Ship Canal, Manhattan (New York County), New York City, New York, USA

ⓘ Thomsonite-Ca

Formula: NaCa2[Al5Si5O20] · 6H2O

ⓘ Titanite

Formula: CaTi(SiO4)O

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York County), New York City, New York, USA
Morrisania, The Bronx (Bronx County), New York City, New York, USA
Manhattan (New York County), New York City, New York, USA

ⓘ Topaz

Formula: Al2(SiO4)(F,OH)2

ⓘ Torbernite

Formula: Cu(UO2)2(PO4)2 · 12H2O

ⓘ 'Tourmaline'

Formula: A D3G6 (T6O18)(BO3)3X3Z

Localities: Reported from at least 7 localities in this region.

Colour: Brown.

ⓘ Tremolite

Formula: ◻Ca2Mg5(Si8O22)(OH)2

Localities:

Kingsbridge Road quarries, Manhattan (New York County), New York City, New York, USA
Inwood Valley (Inwood), Manhattan (New York County), New York City, New York, USA
10th Avenue between 50th Street & 63rd Street, Manhattan (New York County), New York City, New York, USA
Harlem Ship Canal, Manhattan (New York County), New York City, New York, USA
World Trade Center Site, Manhattan (New York County), New York City, New York, USA

ⓘ Uraninite

Formula: UO2

ⓘ Uranophane ?

Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

ⓘ Uvanite

Formula: U6+2V5+6O21 · 15H2O (?)

ⓘ Vermiculite

Formula: Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O

ⓘ Vesuvianite

Formula: Ca19Fe3+Al4(Al6Mg2)(◻4)◻[Si2O7]4[(SiO4)10]O(OH)9

ⓘ Vivianite

Formula: Fe2+Fe2+2(PO4)2 · 8H2O

ⓘ Wollastonite

Formula: Ca3(Si3O9)

✪ Wurtzite

Formula: (Zn,Fe)S

Description: Wurzite-2H

ⓘ 'Xenotime'

ⓘ Xenotime-(Y)

Formula: Y(PO4)

Localities:

Washington Heights, Manhattan (New York County), New York City, New York, USA
185th Street & Harlem Speedway (Harlem River Drive), Manhattan (New York County), New York City, New York, USA
165th Street & Broadway, Manhattan (New York County), New York City, New York, USA
Fort Washington Avenue & 171st Street, Washington Heights, Manhattan (New York County), New York City, New York, USA

ⓘ Zircon

Formula: Zr(SiO4)

Localities: Reported from at least 6 localities in this region.