Husky Mine, Elsa, Galena Hill, Mayo mining district, Yukon, Canada (original) (raw)

ⓘ Acanthite

Formula: Ag2S

ⓘ Baryte

Formula: BaSO4

ⓘ Calcite

Formula: CaCO3

✪ Chalcopyrite

Formula: CuFeS2

ⓘ Dolomite

Formula: CaMg(CO3)2

ⓘ 'Freibergite Subgroup'

Formula: (Ag6,[Ag6]4+)(Cu4 C2+2)Sb4S12S0-1

✪ Galena

Formula: PbS

ⓘ Kaolinite

Formula: Al2(Si2O5)(OH)4

✪ Malachite

Formula: Cu2(CO3)(OH)2

ⓘ Marcasite

Formula: FeS2

ⓘ Muscovite

Formula: KAl2(AlSi3O10)(OH)2

✪ Polybasite

Formula: [Ag6Sb2S7][Ag9CuS4]

Habit: Pseudohexagonal rosettes

Colour: Irridescent (yellow to green to blue to purple) Gemmy Red

Fluorescence: none

Description: Rosettes to 4cm and single xls to 3.5cm. When held at a certain angle under strong light the irridescence disappears and the basal face turns blood red. One small cabinet, a few miniatures and three dozen thumbnails were recovered from Stope 302. These ar

ⓘ 'Polybasite-T2ac'

References:

Hejny, C., Wierer, A., Venturi, A. (2021): High pressure behaviour of pearceite-polybasite group minerals. Poster, MinPet 2021, Vienna, Austria, September 19-21, 2021

ⓘ Pyrargyrite

Formula: Ag3SbS3

✪ Pyrite

Formula: FeS2

Habit: Hollow tubes 1x10cm

ⓘ Quartz

Formula: SiO2

ⓘ Siderite

Formula: FeCO3

ⓘ Silver

Formula: Ag

ⓘ Sphalerite

Formula: ZnS

✪ Stephanite

Formula: Ag5SbS4

Habit: Rounded orthrhombic prisms, Sometimes in parallel growth and psuedohexagonal twins. Larger xls can be skeletal.

Colour: Irridescent (yellow to green to blue to purple) Black

Fluorescence: none

Description: The largest xls are pseudo hexagonal, to over 4 cm in length and 2 cm in width. Two cabinets, one miniature and a dozen thumbnails were recovered from stope 302.

ⓘ 'Tourmaline'

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