Steatite and Thulite Physical Properties

Steatite

Thulite

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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

2.20-2.803.1

1 7.18

1.5 Fracture

Not Available

Uneven, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

Perfect {010} imperfect {100}

1.7 Mohs Hardness

Not Available6-7

2 10

1.8 Chemical Composition

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

Ca₂Al₃(SiO₄)₃(OH)

Steatite and Thulite Chemical Formula

While comparing Steatite and Thulite 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 Thulite chemical formula.

Chemical formula of Steatite- Mg 3Si 4O 10(OH) 2Gemdat.org , Management Team (2012)
Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)

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Steatite and Thulite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Steatite and Thulite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Steatite and Thulite Optical Properties during the identification of gemstone. Specific gravity of Steatite is 3.1 whereas that of Thulite is 3.1.