Sylvite and Chalcedony Physical Properties

Sylvite

Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.55-2.70

1 7.18

1.5 Fracture

Uneven, Brittle

Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann

1.6 Cleavage

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

Absent

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO₂

Sylvite and Chalcedony Chemical Formula

While comparing Sylvite and Chalcedony 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 Sylvite and Chalcedony chemical formula.

Chemical formula of Chalcedony- SiO₂

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Sylvite and Chalcedony Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Chalcedony Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Chalcedony Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.55-2.70 whereas that of Chalcedony is 2.55-2.70.