Sard and Sylvite Physical Properties

Sard

Sylvite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.631.993

1 7.18

1.5 Fracture

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

Uneven, Brittle

1.6 Cleavage

Not Available

Perfect on [100], [010], [001]

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

Not Available

Sard and Sylvite Chemical Formula

While comparing Sard and Sylvite 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 Sard and Sylvite chemical formula.

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

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Sard and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Sard is 1.993 whereas that of Sylvite is 1.993.