Turquoise and Moonstone Physical Properties

Turquoise

Moonstone

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Physical Properties

Tenacity

Solubility

Soluble

Durability

Specific Gravity

2.30-2.902.56-2.60

1 7.18

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Fracture

Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

Good to perfect_usually N/A

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

Mohs Hardness

5-66-6.5

2 10

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Chemical Composition

CuAl₆(PO₄)₄(OH)₈ • 4H₂O

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

Turquoise and Moonstone Chemical Formula

While comparing Turquoise 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 Turquoise and Moonstone chemical formula.

Chemical formula of Turquoise- CuAl₆(PO₄)₄(OH)₈ • 4H₂O
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Turquoise and Moonstone Specific Gravity

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