Apatite and Ferro-axinite Axinite-Fe Physical Properties

Apatite

Ferro-axinite Axinite-Fe

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.23

3.25-3.28

1.5 Fracture

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

Uneven

1.6 Cleavage

[0001] indistinct, [1010] indistinct

{100} Distinct, {001} Poor, {110} Poor

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

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

Ca2Fe++Al2BO3Si4O12(OH)

Apatite and Ferro-axinite Axinite-Fe Chemical Formula

While comparing Apatite and Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe 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 Ferro-axinite Axinite-Fe- Ca2Fe++Al2BO3Si4O12(OH)

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Apatite and Ferro-axinite Axinite-Fe Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Ferro-axinite Axinite-Fe Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Ferro-axinite Axinite-Fe Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.25-3.28 whereas that of Ferro-axinite Axinite-Fe is 3.25-3.28.