Apatite and Diamond Physical Properties

Apatite

Diamond

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.233.50-3.53

1 7.18

1.5 Fracture

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Conchoidal, Brittle

1.6 Cleavage

[0001] indistinct, [1010] indistinct

111 (perfect in four directions)

1.7 Mohs Hardness

510

2 10

1.8 Chemical Composition

Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

Apatite and Diamond Chemical Formula

While comparing Apatite and Diamond 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 Apatite and Diamond chemical formula.

Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Diamond- C

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Apatite and Diamond Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Diamond Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Diamond Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.50-3.53 whereas that of Diamond is 3.50-3.53.