Proustite and Fluorapatite Physical Properties

Proustite

Fluorapatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.51-5.643.1-3.25

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on {10 1 1}

Indistinct

1.7 Mohs Hardness

2.55

2 10

1.8 Chemical Composition

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

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

Proustite and Fluorapatite Chemical Formula

While comparing Proustite and Fluorapatite 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 Proustite and Fluorapatite chemical formula.

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

Compare Black Gemstones

Proustite Vs Sheen Obsidian

Proustite Vs Serendibite

Proustite Vs Schorlomite

Proustite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Proustite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Proustite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Proustite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.