Apatite and Chalcopyrite Physical Properties

Apatite

Chalcopyrite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.234.1-4.3

1 7.18

1.5 Fracture

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

Uneven, Brittle, Metallic

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Indistinct on {011}

1.7 Mohs Hardness

53.5-4

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

CuFeS 2Anthony et al , Handbook of mineralogy (2001)

Apatite and Chalcopyrite Chemical Formula

While comparing Apatite and Chalcopyrite 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 Chalcopyrite 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 Chalcopyrite- CuFeS 2Anthony et al , Handbook of mineralogy (2001)

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Apatite and Chalcopyrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Chalcopyrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Chalcopyrite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 4.1-4.3 whereas that of Chalcopyrite is 4.1-4.3.