Fluorapatite and Bertrandite Physical Properties

Fluorapatite

Bertrandite

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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

3.1-3.252.59-2.60

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Indistinct

{001} Perfect, {110} Distinct, {101} Distinct

1.7 Mohs Hardness

56-7

2 10

1.8 Chemical Composition

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

Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Fluorapatite and Bertrandite Chemical Formula

While comparing Fluorapatite and Bertrandite 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 Bertrandite chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

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Fluorapatite Vs Hibonite

Fluorapatite Vs Hackmanite

Fluorapatite and Bertrandite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.