Ajoite and Bertrandite Physical Properties

Ajoite

Bertrandite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Decomposed by acids

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.962.59-2.60

1 7.18

1.5 Fracture

Not Available

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Perfect on {010}

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

1.7 Mohs Hardness

56-7

2 10

1.8 Chemical Composition

(K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)

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

Ajoite and Bertrandite Chemical Formula

While comparing Ajoite 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 Ajoite and Bertrandite chemical formula.

Chemical formula of Ajoite- (K,Na)3Cu20Al3Si29O76(OH)16•~8(H2O)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

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Ajoite and Bertrandite Specific Gravity

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