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Minerals - Caledonite | TerraCollect

Mineral - Caledonite

CaledonitePb₅Cu₂[(OH)₆|CO₃|(SO₄)₃]

Chemical Properties

Mineral Class

Sulphates

Toxicity

none

Formula

Pb₅Cu₂[(OH)₆|CO₃|(SO₄)₃]

Unit Cell

Physical Properties

Hardness

2.5 - 3

Streak

whitegreengreen white

Optical Properties

Color

greenblue

Birefringence

0.091

Luster

Vitreous,

Greasy,

Resinous

Transparency

translucent,

transparent

Pleochroism

Geomineralogical Properties

Crystal System

orthorhombic

Karten-Ebenen

Geologische KarteSatelliten Karte

Density

Heavy (3,5-6)

Cleavage

Fracture

Tenacity

Brittle

Point Group

orthorhombic-pyramidal - mm2

Space Group

Pmn21 (31)

Habit

tufty, acicular, prismatic

Formation

Oxidation zone of copper and lead deposits

Paragenesis

Twinning

Rarity

Rarely

Synonyms

Caledonite