Williamsite and Peridot Physical Properties

Williamsite

Peridot

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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

2.51-2.631.54-1.55

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

Conchoidal

1.6 Cleavage

Not Available

Poor

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

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

(Mg,Fe)₂SiO₄

Williamsite and Peridot Chemical Formula

While comparing Williamsite and Peridot 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 Williamsite and Peridot chemical formula.

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

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Williamsite and Peridot Specific Gravity

Another important criteria for qualitative analysis of gemstones is Williamsite and Peridot Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Williamsite and Peridot Optical Properties during the identification of gemstone. Specific gravity of Williamsite is 1.54-1.55 whereas that of Peridot is 1.54-1.55.