Peridot and Steatite Physical Properties

Peridot

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

1.54-1.552.20-2.80

1 7.18

1.5 Fracture

Conchoidal

Not Available

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-7Not Available

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

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

Peridot and Steatite Chemical Formula

While comparing Peridot 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 Peridot and Steatite chemical formula.

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

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Peridot and Steatite Specific Gravity

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