Sanidine and Bertrandite Physical Properties

Sanidine

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

2.54-2.612.59-2.60

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{001} Perfect, {010} Good

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

1.7 Mohs Hardness

66-7

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Sanidine and Bertrandite Chemical Formula

While comparing Sanidine 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 Sanidine and Bertrandite chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Sanidine Vs Serendibite

Sanidine Vs Shattuckite

Sanidine and Bertrandite Specific Gravity

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