Bertrandite and Beryl Physical Properties

Bertrandite

Beryl

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.59-2.60

2.60-2.90

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

Uneven, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Uneven, Gems, Brittle

1.6 Cleavage

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

Imperfect on {0001}

1.7 Mohs Hardness

6-7

7.5-8

1.8 Chemical Composition

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

Be₃Al₂Si₆O₁₈

Bertrandite and Beryl Chemical Formula

While comparing Bertrandite and Beryl 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 Beryl chemical formula.

Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Beryl- Be₃Al₂Si₆O₁₈

Compare Colorless Gems

Bertrandite Vs Boulder Opal

Bertrandite Vs Bytownite

Bertrandite Vs Boracite

Bertrandite and Beryl Specific Gravity

Another important criteria for qualitative analysis of gemstones is Bertrandite and Beryl Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Beryl Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 2.60-2.90 whereas that of Beryl is 2.60-2.90.

Colorless Gems

Beryl

Beryllonite

Black Opal

Blue John

Boracite

Boulder Opal