Angelite and Bertrandite Physical Properties

Angelite

Bertrandite

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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

Not Available2.59-2.60

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

3.56-7

2 10

1.8 Chemical Composition

Not Available

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

Angelite and Bertrandite Chemical Formula

While comparing Angelite and Bertrandite 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 Angelite and Bertrandite chemical formula.

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

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Angelite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Angelite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Angelite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Angelite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.