Bertrandite and Coral Physical Properties

Bertrandite

Coral

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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

2.59-2.602.60-2.70

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Irregular, Irregular, Gemstones of the world (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-73-4

2 10

1.8 Chemical Composition

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

CaCO 3Ulrich Henn and Claudio C.

Bertrandite and Coral Chemical Formula

While comparing Bertrandite and Coral 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 Coral chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Coral- CaCO 3Ulrich Henn and Claudio C.

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Bertrandite and Coral Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Coral Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Coral Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 2.60-2.70 whereas that of Coral is 2.60-2.70.