Augite and Bertrandite Physical Properties

Augite

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

3.19-3.562.59-2.60

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{110} Perfect, {010} Indistinct

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

1.7 Mohs Hardness

5.5-66-7

2 10

1.8 Chemical Composition

(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)

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

Augite and Bertrandite Chemical Formula

While comparing Augite 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 Augite and Bertrandite chemical formula.

Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Augite and Bertrandite Specific Gravity

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