Moonstone and Elbaite Physical Properties

Moonstone

Elbaite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.56-2.602.90-3.10

1 7.18

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Fracture

Uneven, ConchoidalWalter Schumann

Uneven, Conchoidal

Cleavage

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

Poor/indistinct on {1120} and {1011}

Mohs Hardness

6-6.57

2 10

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Chemical Composition

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

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Moonstone and Elbaite Chemical Formula

While comparing Moonstone and Elbaite 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 Elbaite chemical formula.

Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈
Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Compare Semi Precious Gemstones

Moonstone Vs Rubellite

Moonstone Vs Schorlomite

Moonstone Vs Simpsonite

Moonstone and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.