Chlorapatite and Andesine Physical Properties

Chlorapatite

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

3.17-3.182.65-2.69

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

Not Available6-6.5

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)

(Na,Ca)Al_1-2Si_3-2O₈

Chlorapatite and Andesine Chemical Formula

While comparing Chlorapatite 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 Chlorapatite and Andesine chemical formula.

Chemical formula of Chlorapatite- Ca 5(PO 4) 3ClAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Andesine- (Na,Ca)Al_1-2Si_3-2O₈

Compare Green Gemstones

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Chlorapatite Vs Chrysoberyl

Chlorapatite and Andesine Specific Gravity

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