Jizera Mountains (Izera Mountains), Liberec Region, Czech Republic (original) (raw)

Albite

Formula: Na(AlSi3O8)

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

Albite var. Oligoclase

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

Almandine

Formula: Fe2+3Al2(SiO4)3

Anatase

Formula: TiO2

'Apatite'

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

Arsenic

Formula: As

Arsenopyrite

Formula: FeAsS

Augite

Formula: (CaxMgyFez)(Mgy1Fez1)Si2O6

'Axinite Group'

Bavenite

Formula: Ca4Be2Al2Si9O26(OH)2

Bertrandite

Formula: Be4(Si2O7)(OH)2

Beryl

Formula: Be3Al2(Si6O18)

Beryl var. Aquamarine

Formula: Be3Al2Si6O18

Beryl var. Emerald

Formula: Be3Al2(Si6O18)

Beryl var. Heliodor

Formula: Be3Al2(Si6O18)

'Biotite'

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

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

Bismuth

Formula: Bi

Bismuthinite

Formula: Bi2S3

Bismutite

Formula: (BiO)2CO3

Calcite

Formula: CaCO3

Localities:

Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic
Uranium deposit, Příchovice, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Granicznik Mt., Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland

Cassiterite

Formula: SnO2

'Chabazite'

Chalcocite

Formula: Cu2S

Chalcopyrite

Formula: CuFeS2

'Chlorite Group'

Chrysoberyl

Formula: BeAl2O4

Chrysoberyl var. Alexandrite

Formula: BeAl2O4

Clausthalite

Formula: PbSe

Columbite-(Fe)

Formula: Fe2+Nb2O6

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

Corundum

Formula: Al2O3

Corundum var. Ruby

Formula: Al2O3

Corundum var. Sapphire

Formula: Al2O3

Habit: Their most frequent size is 4 to 6 mm in diameter.

Colour: Blue (80%) or yellow and green (20%), with rare pink sapphires.

References:

Kotrlý, M., Malíková, P., Holub F. X.: Malá Jizerská louka, klasické naleziště drahokamové asociace. Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 1997, roč. 4-5, s. 25-40. and Kotrlý, M., Malíková, P.: Klasická lokalita Malá Jizerská louka. Minerál, 2002, roč. 10, č. 4, s. 251 - 262.

Diopside

Formula: CaMgSi2O6

Dolomite

Formula: CaMg(CO3)2

Epidote

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

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

'Fayalite-Forsterite Series'

'Fergusonite'

Fluorite

Formula: CaF2

Goethite

Formula: α-Fe3+O(OH)

Gold

Formula: Au

Hematite

Formula: Fe2O3

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Uranium deposit, Příchovice, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic

Hercynite

Formula: Fe2+Al2O4

Hercynite var. Picotite

Formula: (Fe,Mg)(Al,Cr)2O4

'Heulandite Subgroup'

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

Ilmenite

Formula: Fe2+TiO3

Ilmenite var. Iserine

Formula: Fe2+TiO3

'Jasper'

Kaersutite

Formula: NaCa2(Mg3AlTi4+)(Si6Al2)O22O2

Magnetite

Formula: Fe2+Fe3+2O4

Molybdenite

Formula: MoS2

'Monazite'

Formula: REE(PO4)

Muscovite

Formula: KAl2(AlSi3O10)(OH)2

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

Novákite

Formula: (Cu,Ag)21As10

Orthoclase

Formula: K(AlSi3O8)

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

Phosphuranylite

Formula: KCa(H3O)3(UO2)7(PO4)4O4 · 8H2O

Pyrite

Formula: FeS2

Pyrope

Formula: Mg3Al2(SiO4)3

Quartz

Formula: SiO2

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic
Uranium deposit, Příchovice, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Granicznik Mt., Szklarska Poręba, Karkonosze County, Lower Silesian Voivodeship, Poland

Quartz var. Agate

Quartz var. Amethyst

Formula: SiO2

Quartz var. Aventurine

Formula: SiO2

Quartz var. Chalcedony

Formula: SiO2

Quartz var. Citrine

Formula: SiO2

Quartz var. Onyx

Formula: SiO2

Quartz var. Sardonyx

Formula: SiO2

Quartz var. Smoky Quartz

Formula: SiO2

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

Rutile

Formula: TiO2

Scheelite

Formula: Ca(WO4)

Schorl

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

Silver

Formula: Ag

Spessartine

Formula: Mn2+3Al2(SiO4)3

Spinel

Formula: MgAl2O4

Spinel var. Chlorospinel

Formula: MgAl2O4

Spinel var. Gahnospinel

Formula: (Mg,Zn)Al2O4

Spinel var. Pleonaste

Formula: (Mg,Fe)Al2O4

'Stilbite Subgroup'

Formula: M6-7[Al8-9Si27-28O72] · nH2O

Stromeyerite

Formula: AgCuS

Titanite

Formula: CaTi(SiO4)O

Localities:

Jizerská louka, Jizerka, Kořenov, Jablonec nad Nisou District, Liberec Region, Czech Republic
Wagner quarry, Ruprechtice, Liberec, Liberec District, Liberec Region, Czech Republic

Topaz

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

'Tourmaline'

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

Ulvöspinel

Formula: TiFe2+2O4

Uraninite

Formula: UO2

Uranophane

Formula: Ca(UO2)2(SiO3OH)2 · 5H2O

'Wolframite Group'

Xenotime-(Y)

Formula: Y(PO4)

Zaratite

Formula: Ni3(CO3)(OH)4 · 4H2O ?

Description: Occurs in geodes and sideritic septaria.

References:

Palache, Charles, Berman, Harry, Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Ect. John Wiley and Sons, New York.

Zircon

Formula: Zr(SiO4)