Moldavite and Williamsite Physical Properties

Moldavite

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

2.32-2.382.51-2.63

1 7.18

1.5 Fracture

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

5.54

2 10

1.8 Chemical Composition

SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)

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

Moldavite and Williamsite Chemical Formula

While comparing Moldavite 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 Moldavite and Williamsite chemical formula.

Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Moldavite and Williamsite Specific Gravity

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