Malachite and Stichtite Physical Properties

Malachite

Stichtite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.102.11-2.20

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Perfect on {0001}

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Malachite and Stichtite Chemical Formula

While comparing Malachite and Stichtite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Malachite and Stichtite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Malachite and Stichtite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.