Sellaite and Moonstone Physical Properties

Sellaite

Moonstone

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

3.14-3.162.56-2.60

1 7.18

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Fracture

Conchoidal

Uneven, ConchoidalWalter Schumann

Cleavage

Perfect on {010} and {110}

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

Mohs Hardness

5-5.56-6.5

2 10

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Chemical Composition

MgF 2Ulrich Henn and Claudio C.

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

Sellaite and Moonstone Chemical Formula

While comparing Sellaite 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 Sellaite and Moonstone chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al_1-2Si_3-2O₈ Orthoclase Feldspar : KAlSi₃O₈

Compare White Gemstones

Sellaite Vs Xonotlite

Sellaite Vs Rubellite Tourmaline

Sellaite Vs Canadian Ammolite

Sellaite and Moonstone Specific Gravity

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