Malachite and Steatite Physical Properties

Malachite

Steatite

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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

3.25-4.102.20-2.80

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

Not Available

1.6 Cleavage

Perfect on { 2 01} fair on {010}

Not Available

1.7 Mohs Hardness

3.5-4Not Available

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

Malachite and Steatite Chemical Formula

While comparing Malachite and Steatite 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 Steatite chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)

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Malachite and Steatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Malachite and Steatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Malachite and Steatite Optical Properties during the identification of gemstone. Specific gravity of Malachite is 2.20-2.80 whereas that of Steatite is 2.20-2.80.