Selenite and Andesine Physical Properties

Selenite

Andesine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available2.65-2.69

1 7.18

1.5 Fracture

Not Available

Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Not Available

Perfect on {001}, good on {010}

1.7 Mohs Hardness

26-6.5

2 10

1.8 Chemical Composition

Not Available

(Na,Ca)Al_1-2Si_3-2O₈

Selenite and Andesine Chemical Formula

While comparing Selenite and Andesine 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 Selenite and Andesine chemical formula.

Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

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Selenite and Andesine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Selenite and Andesine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Selenite and Andesine Optical Properties during the identification of gemstone. Specific gravity of Selenite is 2.65-2.69 whereas that of Andesine is 2.65-2.69.