Moonstone and Apatite Physical Properties

Moonstone

Apatite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.603.16-3.23

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Conchoidal, Uneven, Conchoidal to uneven

Cleavage

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

[0001] indistinct, [1010] indistinct

Mohs Hardness

6-6.55

2 10

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Chemical Composition

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

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Moonstone and Apatite Chemical Formula

While comparing Moonstone and Apatite 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 Apatite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter 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 Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Apatite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.16-3.23 whereas that of Apatite is 3.16-3.23.