Steatite and Proustite Physical Properties

Steatite

Proustite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.805.51-5.64

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Not Available

Distinct on {10 1 1}

1.7 Mohs Hardness

Not Available2.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Steatite and Proustite Chemical Formula

While comparing Steatite and Proustite 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 Steatite and Proustite chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Green Gemstones

Steatite Vs Topaz

Steatite Vs Tortoiseshell

Steatite Vs Tourmaline

Steatite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.