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Fluorapatite
Fluorapatite

Andradite
Andradite



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Fluorapatite
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Andradite

Fluorapatite and Andradite Physical Properties

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
3.1-3.253.70-4.10
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Indistinct
none
1.7 Mohs Hardness
56.5-7
Amber
2 10
1.8 Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fluorapatite and Andradite Chemical Formula

While comparing Fluorapatite and Andradite 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 Fluorapatite and Andradite chemical formula.

  • Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Andradite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Fluorapatite and Andradite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fluorapatite and Andradite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Andradite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 3.70-4.10 whereas that of Andradite is 3.70-4.10.