Apatite and Vesuvianite Physical Properties

Apatite

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.16-3.23

3.32-3.43

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Poor on {110} and {100} very poor on {001}

1.7 Mohs Hardness

6-7

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 Vesuvianite Chemical Formula

While comparing Apatite and Vesuvianite 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 Vesuvianite 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 Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.