Thulite and Moonstone Physical Properties

Thulite

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

3.12.56-2.60

1 7.18

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Fracture

Uneven, Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

Perfect {010} imperfect {100}

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

Mohs Hardness

6-76-6.5

2 10

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Chemical Composition

Ca₂Al₃(SiO₄)₃(OH)

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

Thulite and Moonstone Chemical Formula

While comparing Thulite 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 Thulite and Moonstone chemical formula.

Chemical formula of Thulite- Ca₂Al₃(SiO₄)₃(OH)
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare Red Gemstones

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Thulite Vs Garnet Color Change

Thulite Vs Hessonite Garnet

Thulite and Moonstone Specific Gravity

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