Elbaite and Moonstone Physical Properties

Elbaite

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

2.90-3.102.56-2.60

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

Poor/indistinct on {1120} and {1011}

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

Mohs Hardness

76-6.5

2 10

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Chemical Composition

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

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

Elbaite and Moonstone Chemical Formula

While comparing Elbaite and Moonstone 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 Elbaite and Moonstone chemical formula.

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

Compare Blue Gemstones

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Elbaite Vs Hibonite

Elbaite and Moonstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Moonstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Moonstone Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.56-2.60 whereas that of Moonstone is 2.56-2.60.