Gypsum and Moonstone Physical Properties

Gypsum

Moonstone

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Flexible

Soluble

2.20-2.40

Conchoidal, Splintery, Fibrous

Perfect on {010}, distinct on {100}

CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

2.56-2.60

Uneven, ConchoidalWalter Schumann

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

6-6.5

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

Gypsum and Moonstone Chemical Formula

While comparing Gypsum 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 Gypsum and Moonstone chemical formula.

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Gypsum Vs Orthoclase

Gypsum and Moonstone Specific Gravity

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