Stevensite (original) (raw)

Colour:

White, pale yellow, pale brown, pale pink

Comment:

High hardness may be due to relict pectolite

Fracture:

Irregular/Uneven

Comment:

Usually in clay-sized particles

Density:

2.15 - 2.57 g/cm3 (Measured) 2.07 g/cm3 (Calculated)

Comment:

May have relict pectolite

Crystal System:

Monoclinic

Cell Parameters:

a = 5.26 Å, b = 9.108 Å, c = 15.3 Å

Ratio:

a:b:c = 0.578 : 1 : 1.68

Unit Cell V:

0.00 ų (Calculated from Unit Cell)

Morphology:

Usually clay-sized particles

General Appearance of Type Material:

radiate, forming arrow-headed masses

Place of Conservation of Type Material:

National Museum of Natural History, Washington, D.C., USA, number R4719.

Geological Setting of Type Material:

Associated Minerals at Type Locality:

9.EC. Balestraite KLi2V5+Si4O12 Mon. 2 : _B_2
9.EC. Meifuite KFe6(Si7Al)O19(OH)4Cl2 Tric. 1 : _P_1
9.EC.05 Minnesotaite Fe2+3Si4O10(OH)2 Tric. 1 : _P_1
9.EC.05 Talc Mg3Si4O10(OH)2 Tric. 1 : _P_1
9.EC.05 Willemseite Ni3Si4O10(OH)2 Mon.
9.EC.9.EC. Voloshinite Rb(LiAl1.5◻0.5)(Al0.5Si3.5)O10F2 Mon. 2/m : _B_2/b
9.EC.10 Ferripyrophyllite Fe3+Si2O5(OH) Mon. 2/m
9.EC.10 Pyrophyllite Al2Si4O10(OH)2 Tric. 1
9.EC.10 Luanshiweiite KLiAl1.5(Si3.5Al0.5)O10(OH)2 Mon. 2/m : _B_2/b
9.EC.10 Fluorluanshiweiite KLiAl1.5(Si3.5Al0.5)O10F2 Mon. 2/m : _B_2/m
9.EC.10 Manganiceladonite K(MgMn3+◻)(Si4O10)(OH)2 Mon.
9.EC.10 Garmite CsLiMg2(Si4O10)F2 Mon.
9.EC.10 Gorbunovite CsLi2(Ti,Fe)Si4O10(F,OH,O)2 Mon.
9.EC.15 Boromuscovite KAl2(BSi3O10)(OH)2 Mon. 2/m
9.EC.15 Celadonite K(MgFe3+◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Chernykhite (Ba,Na)(V3+,Al,Mg)2((Si,Al)4O10)(OH)2 Mon.
9.EC.15 Montdorite (K,Na)2(Fe2+,Mn2+,Mg)5(Si4O10)2(OH,F)4 Mon. 2/m : _B_2/m
9.EC.15 Muscovite KAl2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.15 Nanpingite CsAl2(AlSi3O10)(OH,F)2 Mon. 2/m : _B_2/b
9.EC.15 Paragonite NaAl2(AlSi3O10)(OH)2 Mon.
9.EC.15 Roscoelite K(V3+,Al)2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.15 Tobelite (NH4,K)Al2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Aluminoceladonite K(MgAl◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Chromphyllite K(Cr,Al)2(AlSi3O10)(OH,F)2 Mon. 2/m : _B_2/b
9.EC.15 Ferroaluminoceladonite K(Fe2+Al◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Ferroceladonite K(Fe2+Fe3+◻)(Si4O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.15 Chromceladonite K(MgCr◻)(Si4O10)(OH)2 Mon. 2 : _B_2
9.EC.15 Tainiolite KLiMg2(Si4O10)F2 Mon. 2/m : _B_2/m
9.EC.15 Ganterite (Ba,Na,K)(Al,Mg)2(AlSi3O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.15 UM1988-22-SiO:AlCaFFeHKLiMg KLiMgAl2Si3O10F2 Mon.
9.EC.15 Kreiterite CsLi2Fe3+(Si4O10)F2 Mon.
9.EC.20 Annite KFe2+3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Ephesite NaLiAl2(Al2Si2O10)(OH)2 Tric. 1 : _P_1
9.EC.20 Hendricksite KZn3(Si3Al)O10(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Masutomilite (K,Rb)(Li,Mn3+,Al)3(AlSi3O10)(F,OH)2 Mon. 2 : _B_2
9.EC.20 Norrishite KLiMn3+2(Si4O10)O2 Mon. 2/m : _B_2/m
9.EC.20 Phlogopite KMg3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Polylithionite KLi2Al(Si4O10)(F,OH)2 Mon. 2/m : _B_2/b
9.EC.20 Preiswerkite NaMg2Al(Al2Si2O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.20 Siderophyllite KFe2+2Al(Al2Si2O10)(OH)2 Mon.
9.EC.20 Tetraferriphlogopite KMg3(Fe3+Si3O10)(OH,F)2 Mon. 2/m : _B_2/m
9.EC.20 Fluorotetraferriphlogopite KMg3(Fe3+Si3O10)F2 Mon. 2/m : _B_2/m
9.EC.20 Wonesite (Na,K)(Mg,Fe,Al)6((Al,Si)4O10)2(OH,F)4 Mon. 2/m : _B_2/m
9.EC.20 Eastonite KMg2Al(Al2Si2O10)(OH)2 Mon.
9.EC.20 Tetraferriannite KFe2+3(Si3Fe3+)O10(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Trilithionite K(Li1.5Al1.5)(AlSi3O10)(F,OH)2 Mon. 2/m : _B_2/b
9.EC.20 Fluorannite KFe2+3(Si3Al)O10F2 Mon. 2/m : _B_2/m
9.EC.20 Shirokshinite K(NaMg2)(Si4O10)F2 Mon. 2/m : _B_2/m
9.EC.20 Shirozulite KMn2+3(Si3Al)O10(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Sokolovaite CsLi2Al(Si4O10)F2 Mon.
9.EC.20 Aspidolite NaMg3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Fluorophlogopite KMg3(Si3Al)O10F2 Mon. 2/m : _B_2/m
9.EC.20 UM2004-49-SiO:AlCsFHKLi (Cs,K)(Al,Li)2.6((Si,Al)4O10)(F,OH)2
9.EC.20 Suhailite (NH4)Fe2+3(AlSi3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.20 Yangzhumingite KMg2.5(Si4O10)F2 Mon. 2/m : _B_2/m
9.EC.20 Orlovite KLi2Ti(Si4O10)OF Mon. 2 : _B_2
9.EC.20 Oxyphlogopite K(Mg,Ti,Fe)3[(Si,Al)4O10](O,F)2 Mon. 2/m : _B_2/m
9.EC.20 Chloroferrokinoshitalite (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(Cl,OH,F)2
9.EC.22 Pimelite Ni3Si4O10(OH)2 · 4H2O Hex.
9.EC.30 Chlorophaeite (Ca,Mg,Fe)2Fe2Si4O13 · 10H2O
9.EC.30 Margarite CaAl2(Al2Si2O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.35 Anandite (Ba,K)(Fe2+,Mg)3((Si,Al,Fe)4O10)(S,OH)2 Mon. 2/m : _B_2/b
9.EC.35 Bityite CaLiAl2(AlBeSi2O10)(OH)2 Mon. 2/m : _B_2/b
9.EC.35 Clintonite CaAlMg2(SiAl3O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.35 Kinoshitalite (Ba,K)(Mg,Mn2+,Al)3(Al2Si2O10)(OH)2 Mon. 2/m : _B_2/m
9.EC.35 Ferrokinoshitalite (Ba,K)(Fe2+,Mg)3(Al2Si2O10)(OH,F)2 Mon. 2/m : _B_2/m
9.EC.35 Oxykinoshitalite (Ba,K)(Mg,Ti,Fe3+,Fe2+)3((Si,Al)4O10)(O,OH,F)2 Mon. 2/m : _B_2/m
9.EC.35 Fluorokinoshitalite BaMg3(Al2Si2O10)F2 Mon. 2/m : _B_2/m
9.EC.40 Beidellite (Na,Ca0.5)0.3Al2((Si,Al)4O10)(OH)2 · nH2O Mon. 2/m : _B_2/m
9.EC.40 Kurumsakite (Zn,Ni,Cu)8Al8V5+2Si5O35 · 27H2O (?) Orth.
9.EC.40 Montmorillonite (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O Mon. 2/m : _B_2/m
9.EC.40 Nontronite Na0.3Fe2((Si,Al)4O10)(OH)2 · nH2O Mon. 2/m : _B_2/m
9.EC.40 Volkonskoite Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2 · 4H2O Mon.
9.EC.40 Yakhontovite (Ca,Na)0.5(Cu,Fe,Mg)2(Si4O10)(OH)2 · 3H2O Mon.
9.EC.45 Hectorite Na0.3(Mg,Li)3(Si4O10)(F,OH)2 Mon. 2/m : _B_2/m
9.EC.45 Saponite Ca0.25(Mg,Fe)3((Si,Al)4O10)(OH)2 · nH2O Mon.
9.EC.45 Sauconite Na0.3Zn3((Si,Al)4O10)(OH)2 · 4H2O Mon.
9.EC.45 Spadaite MgSiO2(OH)2 · H2O (?)
9.EC.45 Swinefordite Li(Al,Li,Mg)3((Si,Al)4O10)2(OH,F)4 · nH2O Mon. 2/m : _B_2/m
9.EC.45 Zincsilite Zn3Si4O10(OH)2 · 4H2O (?) Mon.
9.EC.45 Ferrosaponite Ca0.3(Fe2+,Mg,Fe3+)3((Si,Al)4O10)(OH)2 · 4H2O Mon.
9.EC.45 Hanjiangite Ba2CaV3+Al(H2AlSi3O12)(CO3)2F Mon. 2 : _B_2
9.EC.50 Vermiculite Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O Mon. 2/m
9.EC.52 Tarasovite near NaKAl11Si13O40(OH)9 · 3H2O
9.EC.55 Baileychlore (Zn,Fe2+,Al,Mg)6(Si,Al)4O10(OH)8 Tric. 1
9.EC.55 Chamosite (Fe2+)5Al(Si,Al)4O10(OH,O)8 Mon. 2/m : _B_2/m
9.EC.55 Clinochlore Mg5Al(AlSi3O10)(OH)8 Mon. 2/m : _B_2/m
9.EC.55 Cookeite (LiAl4◻)[AlSi3O10](OH)8 Mon. 2/m
9.EC.55 Franklinfurnaceite Ca2Fe3+Mn2+3Mn3+(Zn2Si2O10)(OH)8 Mon. 2 : _B_2
9.EC.55 Gonyerite (Mn2+,Mg)5Fe3+(Fe3+Si3O10)(OH)8 Orth.
9.EC.55 Nimite (Ni,Mg,Al)6((Si,Al)4O10)(OH)8 Mon. 2/m : _B_2/m
9.EC.55 Orthochamosite (Fe2+,Mg,Fe3+)5Al(AlSi3O10)(OH,O)8
9.EC.55 Pennantite Mn2+5Al(AlSi3O10)(OH)8 Tric.
9.EC.55 Sudoite Mg2Al3(Si3Al)O10)(OH)8 Mon. 2/m : _B_2/m
9.EC.55 Donbassite Al4.33(Si3Al)O10(OH)8 Mon. 2 : _B_2
9.EC.55 Glagolevite Na(Mg,Al)6(AlSi3O10)(OH,O)8 Tric. 1 : _P_1
9.EC.55 Borocookeite (LiAl4◻)[BSi3O10](OH)8 Mon. m : B b
9.EC.60 Aliettite Ca0.2Mg6((Si,Al)8O20)(OH)4 · 4H2O Mon.
9.EC.60 Corrensite (Mg,Fe)9((Si,Al)8O20)(OH)10 · nH2O Orth.
9.EC.60 Dozyite Mg7Al2(Al2Si4O15)(OH)12 Mon.
9.EC.60 Hydrobiotite K(Mg,Fe2+)6((Si,Al)8O20)(OH)4 · nH2O Mon. 2/m : _B_2/m
9.EC.60 Karpinskite (Ni,Mg)2Si2O5(OH)2 (?) Mon.
9.EC.60 Kulkeite Mg8Al(AlSi7O20)(OH)10 Mon.
9.EC.60 Lunijianlaite Li0.7Al6.2(AlSi7O20)(OH,O)10 Mon.
9.EC.60 Rectorite (Na,Ca)Al4((Si,Al)8O20)(OH)4 · 2H2O Mon.
9.EC.60 Saliotite (Li,Na)Al3(AlSi3O10)(OH)5 Mon. 2/m : _B_2/m
9.EC.60 Tosudite Na0.5(Al,Mg)6((Si,Al)8O18)(OH)12 · 5H2O Mon. 2 : _B_2
9.EC.60 Brinrobertsite Na0.3Al4(Si4O10)2(OH)4 · 3.5 H2O Mon.
9.EC.65 Macaulayite (Fe,Al)24Si4O43(OH)2 Mon.
9.EC.70 Burckhardtite Pb2(Fe3+Te6+)[AlSi3O8]O6 Trig. 3_m_ _(_32/m ) : P_31_m
9.EC.75 Ferrisurite (Pb,Ca)2.4Fe3+2(Si4O10)(CO3)1.7(OH)3 · nH2O Mon.
9.EC.75 Surite (Pb,Ca)3(Al,Fe2+,Mg)2((Si,Al)4O10)(CO3)2(OH)2 Mon. 2 : _P_21
9.EC.75 Niksergievite (Ba,Ca)2Al3(AlSi3O10)(CO3)(OH)6 · nH2O Mon.
9.EC.80 Kegelite Pb8Al4(Si8O20)(SO4)2(CO3)4(OH)8 Mon.

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Australia
Tasmania Circular Head municipality Marrawah district Redpa ⓘ Redpa quarry www.crocoite.com (2003)
Waratah-Wynyard municipality Heazlewood district ⓘ Lord Brassey Mine Bottrill et al. (2002)
Austria
Lower Austria Krems-Land District Albrechtsberg an der Großen Krems ⓘ Klein-Heinrichschlag Zirkl (1985) +1 other reference
Bolivia
Potosí Sud Lípez Province Pastos Grandes ⓘ Pastos Grandes Laguna Bougeault et al. (2019)
Canada
Québec Chaudière-Appalaches Les Appalaches RCM Thetford Mines ⓘ Hall chrome pit (Hall mine; Thetford quarry) GSC collection specimen
Ethiopia
Afar Region Danakil depression ⓘ Mount Dallol (Dallol volcano) López-García et al. (2020)
Germany
Saxony Vogtlandkreis Plauen Röttis ⓘ Hans Georg Mine ? Sehrig (2007)
Hungary
Fejér County Székesfehérvár District Kőszárhegy ⓘ Kőszárhegy Quarry Szakáll: Minerals of Szár Hill
Italy
Liguria La Spezia Province Borghetto di Vara ⓘ Cerchiara Mine Balestra et al. (2020)
Lombardy Sondrio Province Val Masino ⓘ Preda Rossa Valley IVM Magazine - Bulletin of the ... +1 other reference
Veneto Padova Province Galzignano Terme ⓘ Monte delle Basse Fabio Tosato et al. (2024)
Japan
Iwate Prefecture Kamaishi City ⓘ Kamaishi mine SAKAMOTO et al. (1975)
Mie Prefecture Toba City ⓘ Shiraki Yamada (2004)
Niigata Prefecture Shibata City ⓘ Akatani mine (Akadani mine) ...
Yamagata Prefecture Mogami District Mogami ⓘ Ohori mine (Ou'hori mine; Obori mine) ? Otsu et al. (1963)
ⓘ Ohiri mine ...
Morocco
Fès-Meknès Region Boulemane Province Boulemane Cercle Boulemane Caïdat ⓘ Jbel Rhassoul (Ghassoul) MINERALOGICAL AND PHYSICOCHEMICAL ... +5 other references
Namibia
Oshikoto Region Omuthiyagwiipundi ⓘ Etosha Pan Buch et al. (1996)
Norway
Buskerud ⓘ Kongsberg silver mining district Bancroft et al. (2001)
Pacific Ocean
East Pacific Rise Juan de Fuca Ridge complex Southern Gorda Ridge ⓘ Escanaba Trough Tuomo Törmänen (2005)
Poland
Lower Silesian Voivodeship Świdnica County Gmina Marcinowice Wirki ⓘ 'Wiry' magnesite mine Harańczyk C. (1974) +1 other reference
Ząbkowice Śląskie County Gmina Ząbkowice Śląskie ⓘ Szklary ...
ⓘ Szklary Chrysoprase Mine ...
Romania
Caraş-Severin County Moldova Nouă ⓘ Moldova Nouă Mine www.minerals-of-the-carpathians +2 other references
Russia
Altai Krai Krasnoshchyokovsky District ⓘ Murzinskoe gold deposit webmineral.ru (2020)
Bashkortostan Baymaksky District ⓘ Ivanovka Co-Cu deposit (Ivanovskoe deposit) Contributions to Mineralogy and ...
Murmansk Oblast Kovdorsky District Kovdor Massif ⓘ Kovdor Phlogopite mine Sorokhtina et al. (2008)
Slovakia
Trnava Region Trnava District Lošonec ⓘ Lošonec Quarry Uher et al. (Malé Karpaty, JZ Slovensko)
South Africa
Northern Cape John Taolo Gaetsewe District Municipality ⓘ Kalahari manganese field Cairncross et al. (1995)
South America Plate
Santos basin ⓘ Oil fields Schrank et al. (2024)
Sweden
Värmland County Filipstad Långban Ore District ⓘ Långban Mine Holtstam et al. (1999)
Nordmark mining district ⓘ Taberg ore field (Nordmarks Taberg)
ⓘ Persberg
Tajikistan
Sughd Mastchoh District Altyn-Topkan ore field (Zarnisor ore field) ⓘ Altyn-Topkan deposit (Altyntopkan deposit; Altyn-Topkan Mine; Zarnisor deposit; Zarnisori Shimoli deposit; Northern Zarnisor deposit) Badalov et al. (1976)
UK
England Cornwall Mawgan-in-Meneage Goonhilly Downs ⓘ Williams Stone Quarry (Trevassack Quarry) Golley et al. (1995)
St Keverne ⓘ Dean Quarry Golley et al. (1995)
Northumberland Chollerton ⓘ Barrasford Quarry [Specimen in the Natural History Museum +2 other references
Scotland City of Edinburgh ⓘ Corstorphine Hill ...
Wales Gwynedd Pwllheli ⓘ Gimlet Quarry National Museum of Wales collection
USA
Arizona Cochise County ⓘ Bisbee Anthony et al. (1995)
Lavender Pit ⓘ Holbrook Extension Anthony et al. (1995)
Queen Hill Copper Queen Mine ⓘ Holbrook Mine Anthony et al. (1995)
Arkansas ⓘ Pulaski County Howard (1987)
California San Benito County Picacho Peak ⓘ Victor claim (Victor Mine) Joseph F. Cooper Jr. et al. (2003)
Santa Rita Peak ⓘ Junnila Mine (Junnila claim) www.benitoitemine.com
ⓘ Green River Formation AmMin 47:996 +3 other references
Maine Knox County ⓘ Thomaston Anderson
ⓘ Dragon Cement Quarry King et al. (1994)
Nevada Nye County ⓘ Amargosa Desert Clays and Clay Minerals
White Pine County ⓘ Currant Mining District Castor et al. (2004)
New Jersey Bergen County Fort Lee ⓘ Interstate 95 and George Washington Bridge Lower Level roadcut Focus on Fort Lee - A Key and Guide to ... +1 other reference
Bergen County & Hudson County ⓘ Bergen Hill (TL) AmMin 44:342 (1959)
Essex County Millburn Millburn ⓘ Stewart Hartshorn Quarry (Hartshorn Quarry) Manchester (1931)
Short Hills ⓘ Hartshorn Quarry Manchester (1931)
Verona ⓘ F.J. Marley Quarry Manchester (1931)
Hudson County Secaucus ⓘ Laurel Hill Minerals of Laurel Hill et al. (published privately)
Passaic County Little Falls Township Great Notch ⓘ Francisco Brothers Quarry Mins. of NYC & Its Environs (1931) +1 other reference
Paterson ⓘ Interstate 80 roadcut
ⓘ Lower New Street Quarry Amer. Museum of Nat. History +1 other reference
ⓘ Upper New Street Quarry American Museum of Nat. History +1 other reference
Prospect Park ⓘ Prospect Park Quarry Lapidary Jour.: 32:1700-1720 et al. (1978) +1 other reference
Union County Springfield Township Springfield Houdaille Quarry (Summit Quarry; Commonwealth Quarry) ⓘ Commonwealth Quarry No. 1 Rocks & Min.:13:75-79.
ⓘ Commonwealth Quarry No. 2 Rocks & Min.:13:75-79.
ⓘ Summit Manchester (1931)
New Mexico Eddy County Carlsbad Caverns National Park ⓘ Carlsbad Caverns (Carlsbad Cavern) Clays and Clay Minerals +4 other references
Sandoval County ⓘ Cochiti District Northrop et al. (1996)
New York Essex County ⓘ Willsboro Jensen (1978)
ⓘ Willsboro mine DeRudder & Beck 11th National ...
New York City Staten Island (Richmond County) ⓘ Todt Hill Serpentinite Collected by Steve Okulewicz
North Carolina Mitchell County Cane Creek Section Bakersville ⓘ Mine Creek The American Mineralogist Vol.44 +1 other reference
Pennsylvania Lancaster County Fulton Township ⓘ Cedar Hill Quarry (Stoltzfuss Quarry) Vandall King
Utah Duchesne County ⓘ Indian Canyon gsa.confex.com (n.d.)
Virginia Amherst County Piney River area ⓘ American Cyanamid lagoon Dietrich (1990)
Wisconsin ⓘ Dodge County ? Hawley (1934)