Weloganite and Sard Physical Properties

Weloganite

Sard

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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

3.20-3.222.58-2.63

1 7.18

1.5 Fracture

Conchoidal, Brittle

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Perfect on pseudo {0001}

Not Available

1.7 Mohs Hardness

36.5-7

2 10

1.8 Chemical Composition

Not Available

SiO 2Ulrich Henn and Claudio C.

Weloganite and Sard Chemical Formula

While comparing Weloganite and Sard 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 Weloganite and Sard chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

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Weloganite and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Weloganite and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Weloganite and Sard Optical Properties during the identification of gemstone. Specific gravity of Weloganite is 2.58-2.63 whereas that of Sard is 2.58-2.63.