Moonstone and Bertrandite Physical Properties

Moonstone

Bertrandite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.602.59-2.60

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Cleavage

2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal

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

Mohs Hardness

6-6.56-7

2 10

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Chemical Composition

Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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

Moonstone and Bertrandite Chemical Formula

While comparing Moonstone 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 Moonstone and Bertrandite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Bertrandite Specific Gravity

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