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Apatite
Apatite

Richterite
Richterite



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Apatite
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Richterite

Apatite and Richterite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.233.0-3.5
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Uneven, Brittle
1.6 Cleavage
[0001] indistinct, [1010] indistinct
Perfect
1.7 Mohs Hardness
55-6
Amber
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
Not Available

Apatite and Richterite Chemical Formula

While comparing Apatite and Richterite 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 Richterite 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
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Apatite and Richterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Richterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Richterite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.0-3.5 whereas that of Richterite is 3.0-3.5.