Fluorapatite and Anorthoclase Physical Properties

Fluorapatite

Anorthoclase

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.1-3.252.56-2.62

1 7.18

1.5 Fracture

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

Indistinct

From the Greek for oblique and fracture, descriptive of the cleavage

1.7 Mohs Hardness

56-6.5

2 10

1.8 Chemical Composition

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

(Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

Fluorapatite and Anorthoclase Chemical Formula

While comparing Fluorapatite and Anorthoclase 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 Fluorapatite and Anorthoclase chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Anorthoclase- (Na,K)AlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fluorapatite and Anorthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Anorthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Anorthoclase Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 2.56-2.62 whereas that of Anorthoclase is 2.56-2.62.