Apatite and Jeremejevite Physical Properties

Apatite

Jeremejevite

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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

3.16-3.233.28-3.31

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

[0001] indistinct, [1010] indistinct

None observed

1.7 Mohs Hardness

56.5-7.5

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

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Apatite and Jeremejevite Chemical Formula

While comparing Apatite and Jeremejevite 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 Jeremejevite 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 Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Apatite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.