Steatite and Aragonite Physical Properties

Steatite

Aragonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

2.20-2.802.93-2.96

1 7.18

1.5 Fracture

Not Available

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

Not Available

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

Not Available3.5-4

2 10

1.8 Chemical Composition

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

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

Steatite and Aragonite Chemical Formula

While comparing Steatite and Aragonite 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 Aragonite chemical formula.

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

Compare Green Gemstones

Steatite Vs Tortoiseshell

Steatite Vs Tourmaline

Steatite Vs Topaz

Steatite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.