Apatite and Weloganite Physical Properties

Apatite

Weloganite

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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

3.16-3.233.20-3.22

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Perfect on pseudo {0001}

1.7 Mohs Hardness

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 Weloganite Chemical Formula

While comparing Apatite and Weloganite 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 Weloganite 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 Weloganite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Weloganite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Weloganite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.20-3.22 whereas that of Weloganite is 3.20-3.22.