Sylvite and Chrome-Chalcedony Physical Properties

Sylvite

Chrome-Chalcedony

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.9932.55-2.70

1 7.18

1.5 Fracture

Uneven, Brittle

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

Not Available

SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Sylvite and Chrome-Chalcedony Chemical Formula

While comparing Sylvite and Chrome-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 Chrome-Chalcedony chemical formula.

Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Sylvite and Chrome-Chalcedony Specific Gravity

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