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Apatite
Apatite

Hematite
Hematite



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Apatite
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Apatite and Hematite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.23
5.00-5.30
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
1.6 Cleavage
[0001] indistinct, [1010] indistinct
None, may show partings on {0001} and {10 1 1}
1.7 Mohs Hardness
5
6
1.8 Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Fe 2O 3Arthur Thomas , Gemstones (2009)

Apatite and Hematite Chemical Formula

While comparing Apatite and Hematite 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 Hematite 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 Hematite- Fe 2O 3Arthur Thomas , Gemstones (2009)

Apatite and Hematite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Hematite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Hematite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 5.00-5.30 whereas that of Hematite is 5.00-5.30.

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