Malachite and Moonstone Physical Properties

Malachite

Moonstone

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-4.102.56-2.60

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones (2009), Uneven

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

1.6 Cleavage

Perfect on { 2 01} fair on {010}

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

1.7 Mohs Hardness

3.5-46-6.5

2 10

1.8 Chemical Composition

Cu₂CO₃(OH)₂

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

Malachite and Moonstone Chemical Formula

While comparing Malachite 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 Malachite and Moonstone chemical formula.

Chemical formula of Malachite- Cu₂CO₃(OH)₂
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

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Malachite and Moonstone Specific Gravity

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