Minerals

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General Information

Malachite

Malachite is a copper carbonate mineral that gets its green colour from its copper.[1]

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Chemical & Physical Information

Trivial NameMalachite
Chemical NameCopper Carbonate
Chemical FormulaCuCO3,Cu(OH)2
Density3,6-4 g·cm-3
Molar mass?
Hardness3,5-4
Crytal systemMonoclinic - Prismatic
Unit cell?
Crystal habit?
FractureConchoidal to splintery
CleavagePerfect on [201], good on [010]
ColourBright green to black green.
LusterDull
StreakLight green
OpacityTransparant
SafetySafe
ExtraSingle crystals are rare.
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Photos

Malachite

(3 cm)

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Sources

[1] Wikipedia

[2] Specimen from my personal collection, photo taken by me.