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Minerals - Stichtite | TerraCollect

Mineral - Stichtite

StichtiteMg₆Cr³⁺₂(OH)₁₆[CO₃] · 4H₂O

Chemical Properties

Mineral Class

Carbonates

Toxicity

none

Formula

Mg₆Cr³⁺₂(OH)₁₆[CO₃] · 4H₂O

Unit Cell

Physical Properties

Hardness

1.5 - 2

Streak

whitevioletviolet white

Optical Properties

Color

pinkviolet

Birefringence

Luster

Pearly,

Waxy

Transparency

Pleochroism

Geomineralogical Properties

Crystal System

trigonal

Point Group

Density

Normal (2-3,5)

Cleavage

Fracture

Tenacity

Space Group

Habit

coarse, massive

Formation

Verwitterungsprodukt von Chromit

Paragenesis

Twinning

Rarity

Rather rare

Synonyms

Stichtite