Apatite and Jadeite Physical Properties

Apatite

Jadeite

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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

3.16-3.23

3.28-3.38

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

[0001] indistinct, [1010] indistinct

Good on [110]

1.7 Mohs Hardness

6.5-7

1.8 Chemical Composition

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

NaAlSi 2O 6Ulrich Henn and Claudio C.

Apatite and Jadeite Chemical Formula

While comparing Apatite and Jadeite 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 Jadeite 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 Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Apatite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.