Cryolite and Chalcedony Physical Properties

Cryolite

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

2.972.55-2.70

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None observed

Absent

1.7 Mohs Hardness

2.56.5-7

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

SiO₂

Cryolite and Chalcedony Chemical Formula

While comparing Cryolite 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 Cryolite and Chalcedony chemical formula.

Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.
Chemical formula of Chalcedony- SiO₂

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Cryolite and Chalcedony Specific Gravity

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