Feldspar and Steatite Physical Properties

Feldspar

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

2.56-2.752.20-2.80

1 7.18

1.5 Fracture

Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)

Not Available

1.6 Cleavage

two or three

Not Available

1.7 Mohs Hardness

6-6.5Not Available

2 10

1.8 Chemical Composition

Not Available

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

Feldspar and Steatite Chemical Formula

While comparing Feldspar 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 Feldspar and Steatite chemical formula.

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

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Feldspar and Steatite Specific Gravity

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