Moonstone and Shigaite Physical Properties

Moonstone

Shigaite

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1 Physical Properties

1.1 Tenacity

Not Available

Moderately ﬂexible

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.56-2.602.32

1 7.18

1.5 Fracture

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

Flexible Flexible fragments.

1.6 Cleavage

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

Perfect on {0001}

1.7 Mohs Hardness

6-6.52

2 10

1.8 Chemical Composition

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

Not Available

Moonstone and Shigaite Chemical Formula

While comparing Moonstone and Shigaite 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 Shigaite chemical formula.

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

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Moonstone and Shigaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moonstone and Shigaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Shigaite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 2.32 whereas that of Shigaite is 2.32.