Bertrandite and Imperial Topaz Physical Properties

Bertrandite

Imperial Topaz

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.59-2.603.49-3.57

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Uneven

1.6 Cleavage

{001} Perfect, {110} Distinct, {101} Distinct

Not Available

1.7 Mohs Hardness

6-78

2 10

1.8 Chemical Composition

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Not Available

Bertrandite and Imperial Topaz Chemical Formula

While comparing Bertrandite and Imperial Topaz 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 Bertrandite and Imperial Topaz chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Bertrandite and Imperial Topaz Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Imperial Topaz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Imperial Topaz Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 3.49-3.57 whereas that of Imperial Topaz is 3.49-3.57.