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Minerals - Chalcostibite | TerraCollect

Mineral - Chalcostibite

ChalcostibiteCuSbS₂

Chemical Properties

Mineral Class

Sulfides and sulfosalts

Toxicity

none

Formula

CuSbS₂

Unit Cell

Physical Properties

Hardness

3 - 4

Streak

blackgraygray black

Optical Properties

Color

blackgray

Birefringence

Luster

Metallic

Transparency

opaque

Pleochroism

Geomineralogical Properties

Crystal System

orthorhombic

Point Group

Groups and Members

Chalcostibite-Group

Density

Heavy (3,5-6)

Cleavage

Fracture

conchoidal

Tenacity

Brittle

orthorhombic-dipyramidal - 2/m 2/m 2/m

Space Group

Pnma (62)

Habit

massive, prismatic, tabular

Formation

In hydrothermal ore deposits

Paragenesis

Twinning

Rarity

Rarely

Synonyms

Guejarite