Peridot and Williamsite Physical Properties

Peridot

Williamsite

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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

1.54-1.552.51-2.63

1 7.18

1.5 Fracture

Conchoidal

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Poor

Not Available

1.7 Mohs Hardness

6.5-74

2 10

1.8 Chemical Composition

(Mg,Fe)₂SiO₄

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Peridot and Williamsite Chemical Formula

While comparing Peridot and Williamsite 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 Williamsite chemical formula.

Chemical formula of Peridot- (Mg,Fe)₂SiO₄
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Peridot and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Peridot and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Peridot and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Peridot is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.