Atacamite and Moonstone Physical Properties

Atacamite

Moonstone

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.745-3.7762.56-2.60

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)

1.6 Cleavage

Perfect on {010}, fair on {101}

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

1.7 Mohs Hardness

3-3.56-6.5

2 10

1.8 Chemical Composition

Cu2Cl(OH)3

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

Atacamite and Moonstone Chemical Formula

While comparing Atacamite 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 Atacamite and Moonstone chemical formula.

Chemical formula of Atacamite- Cu2Cl(OH)3
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Atacamite and Moonstone Specific Gravity

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