Moonstone and Malachite Physical Properties

Moonstone

Malachite

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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

2.56-2.603.25-4.10

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones (2009), Uneven

1.6 Cleavage

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

Perfect on { 2 01} fair on {010}

1.7 Mohs Hardness

6-6.53.5-4

2 10

1.8 Chemical Composition

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

Cu₂CO₃(OH)₂

Moonstone and Malachite Chemical Formula

While comparing Moonstone and Malachite 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 Moonstone and Malachite chemical formula.

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

Compare Semi Precious Gemstones

Moonstone Vs Peridot

Moonstone Vs Lehsunia

Moonstone Vs Alexandrite

Moonstone and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Malachite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.25-4.10 whereas that of Malachite is 3.25-4.10.