Jadeite and Apatite Physical Properties

Jadeite

Apatite

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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

3.28-3.38

3.16-3.23

1.5 Fracture

Splintery, UnevenArthur Thomas, Difficult, Fibrous

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

1.6 Cleavage

Good on [110]

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

NaAlSi 2O 6Ulrich Henn and Claudio C.

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

Jadeite and Apatite Chemical Formula

While comparing Jadeite and Apatite 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 Jadeite and Apatite chemical formula.

Chemical formula of Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.
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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Jadeite and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jadeite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jadeite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Jadeite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.