Fluorapatite and Proustite Physical Properties

Fluorapatite

Proustite

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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

3.1-3.255.51-5.64

1 7.18

1.5 Fracture

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

Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Indistinct

Distinct on {10 1 1}

1.7 Mohs Hardness

52.5

2 10

1.8 Chemical Composition

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

Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fluorapatite and Proustite Chemical Formula

While comparing Fluorapatite and Proustite 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 Proustite chemical formula.

Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Chemical formula of Proustite- Ag 3AsS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Fluorapatite Vs Hibonite

Fluorapatite Vs Heliodor Golden Beryl

Fluorapatite Vs Hackmanite

Fluorapatite and Proustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Proustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Proustite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 5.51-5.64 whereas that of Proustite is 5.51-5.64.