Glomsrudkollen Zinc Mines, Åmot, Modum, Buskerud, Norway (original) (raw)

ⓘ Albite

Formula: Na(AlSi3O8)

ⓘ 'Amphibole Supergroup'

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

ⓘ Anatase

Formula: TiO2

ⓘ Bianchite

Formula: Zn(SO4) · 6H2O

Habit: powder

Colour: white

Description: Bianchite was found in the dumps, when some of the material was removed and a deep profile of the dumps were revealed. It occured as a white to greyish powder, and are easily solved in water. The bianchite is almost without iron (Raade et al,1977).

ⓘ Bismuth

Formula: Bi

Description: as pseudomorphs after bismuthinite

ⓘ Bismuthinite

Formula: Bi2S3

ⓘ Bismutite

Formula: (BiO)2CO3

ⓘ Brianyoungite

Formula: Zn3(CO3,SO4)(OH)4

ⓘ Brochantite

Formula: Cu4(SO4)(OH)6

ⓘ Calcite

Formula: CaCO3

ⓘ Cassiterite ?

Formula: SnO2

ⓘ 'Chabazite'

ⓘ Chalcopyrite

Formula: CuFeS2

ⓘ 'Chlorite Group'

ⓘ Chrysocolla

Formula: Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1

ⓘ 'Clinopyroxene Subgroup'

ⓘ Cosalite

Formula: Pb2Bi2S5

ⓘ Covellite

Formula: CuS

ⓘ Devilline

Formula: CaCu4(SO4)2(OH)6 · 3H2O

ⓘ Epidote

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

ⓘ Fluorite

Formula: CaF2

ⓘ Galena

Formula: PbS

ⓘ Galenobismutite

Formula: PbBi2S4

ⓘ 'Garnet Group'

Formula: X3Z2(SiO4)3

ⓘ Gold

Formula: Au

ⓘ Greenockite ?

Formula: CdS

ⓘ Gunningite

Formula: ZnSO4 · H2O

Description: Sample found by S.A. Berge and identified at the x-ray laboratory of Mineralogical Museum of Oslo in 1978.

ⓘ Gypsum

Formula: CaSO4 · 2H2O

ⓘ Helvine

Formula: Be3Mn2+4(SiO4)3S

Habit: tetrahedra up to 1 mm

Colour: yellow; red

ⓘ Hematite

Formula: Fe2O3

ⓘ Hemimorphite

Formula: Zn4Si2O7(OH)2 · H2O

ⓘ Hydrozincite

Formula: Zn5(CO3)2(OH)6

ⓘ Ktenasite

Formula: ZnCu4(SO4)2(OH)6 · 6H2O

Habit: thin platy or laths up to 1 mm

Colour: green

Description: Nice micro crystals was discovered in 1972. Often growing on clear gypsum crystals

ⓘ 'Limonite'

ⓘ Mackinawite

Formula: FeS

ⓘ Magnetite

Formula: Fe2+Fe3+2O4

ⓘ Malachite

Formula: Cu2(CO3)(OH)2

ⓘ Marcasite

Formula: FeS2

ⓘ Melanterite

Formula: Fe2+(H2O)6SO4 · H2O

ⓘ Millerite

Formula: NiS

ⓘ Namuwite ?

Formula: Zn4(SO4)(OH)6 · 4H2O

ⓘ Pentlandite

Formula: (NixFey)Σ9S8

ⓘ Pentlandite var. Silver-bearing Pentlandite

Formula: (Ni,Fe,Ag)9S8

ⓘ 'Plagioclase'

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

ⓘ Posnjakite

Formula: Cu4(SO4)(OH)6 · H2O

ⓘ Pyrite

Formula: FeS2

ⓘ 'Pyroxene Group'

Formula: ADSi2O6

ⓘ Pyrrhotite

Formula: Fe1-xS

ⓘ Quartz

Formula: SiO2

ⓘ Scheelite

Formula: Ca(WO4)

ⓘ Schulenbergite

Formula: (Cu,Zn)7(SO4)2(OH)10 · 3H2O

ⓘ Serpierite

Formula: Ca(Cu,Zn)4(SO4)2(OH)6 · 3H2O

ⓘ Siegenite

Formula: CoNi2S4

ⓘ Smithsonite

Formula: ZnCO3

ⓘ Sphalerite

Formula: ZnS

ⓘ 'Stilbite Subgroup'

Formula: M6-7[Al8-9Si27-28O72] · nH2O

ⓘ Talc

Formula: Mg3Si4O10(OH)2

ⓘ Tinnunculite

Formula: C5H4N4O3 · 2H2O

ⓘ Titanite

Formula: CaTi(SiO4)O

ⓘ Vesuvianite

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

ⓘ Wulfenite

Formula: Pb(MoO4)

Description: Microcrystals

ⓘ Zincite ?

Formula: ZnO

Description: Only observed by Goldschmidt in thinsection-slice of marble once as unregular grains in mm size. The identificatiion is unconfirmed.

ⓘ Zircon

Formula: Zr(SiO4)