Emerald and Cryolite Physical Properties

Emerald

Cryolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Hard

Not Available

1.4 Specific Gravity

2.67-2.782.97

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

Uneven

1.6 Cleavage

Imperfect on the [0001]

None observed

1.7 Mohs Hardness

7.5-82.5

2 10

1.8 Chemical Composition

Be₃Al₂SiO₆

Na 3AlF 6Ulrich Henn and Claudio C.

Emerald and Cryolite Chemical Formula

While comparing Emerald and Cryolite 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 Emerald and Cryolite chemical formula.

Chemical formula of Emerald- Be₃Al₂SiO₆
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Emerald and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Emerald and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Emerald and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Emerald is 2.97 whereas that of Cryolite is 2.97.