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Minerals - Galkhaite | TerraCollect

Mineral - Galkhaite

Galkhaite(Cs,Tl)(Hg,Cu,Zn)₆(As,Sb)₄S₁₂

Chemical Properties

Mineral Class

Sulfides and sulfosalts

Toxicity

middle

Formula

(Cs,Tl)(Hg,Cu,Zn)₆(As,Sb)₄S₁₂

Unit Cell

a=10,365 Z=12

Physical Properties

Hardness

3

Streak

orangeyellowyellow orange

Optical Properties

Color

redorange

Birefringence

Luster

Vitreous,

Adamantine

Transparency

translucent,

transparent

Pleochroism

Geomineralogical Properties

Crystal System

isometric

Composition

Elements

Mass

Hg

51,7

Cu

3,4

Zn

1,6

Ca

3,3

Tl

0,8

As

14,5

Sb

3,0

Density

Cleavage

Fracture

conchoidal,

uneven

Tenacity

Brittle

Point Group

Space Group

Habit

coarse, massive, Cube

Formation

hydrothermal in Hg-Au-Lagerstätten

Paragenesis

Twinning

Penetrationszwillinge nach {111}

Rarity

Rarely

Synonyms

Galkhaite

S

22,3

Kirgistan

Groups and Members

Galkhait-Gruppe