Apatite and Tavorite Physical Properties

Apatite

Tavorite

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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

3.16-3.233.32

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

[0001] indistinct, [1010] indistinct

{???} Distinct, {???} Distinct, {???} Distinct

1.7 Mohs Hardness

5Not Available

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

LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

Apatite and Tavorite Chemical Formula

While comparing Apatite and Tavorite 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 Tavorite 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 Tavorite- LiFe3+ (PO 4)(OH)Anthony et al , Handbook of mineralogy (2001)

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Apatite and Tavorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Tavorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Tavorite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.32 whereas that of Tavorite is 3.32.