Moonstone and Taaffeite Physical Properties

Moonstone

Taaffeite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.603.60-3.61

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Conchoidal

Cleavage

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

Imperfect/fair/absent

Mohs Hardness

6-6.58-8.5

2 10

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Chemical Composition

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

Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Moonstone and Taaffeite Chemical Formula

While comparing Moonstone and Taaffeite 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 Taaffeite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.