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Apatite
Apatite

Crystal Opal
Crystal Opal



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Apatite
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Crystal Opal

Apatite and Crystal Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.16-3.23
Conchoidal, Uneven, Conchoidal to uneven
[0001] indistinct, [1010] indistinct
5
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Apatite and Crystal Opal Chemical Formula

While comparing Apatite and Crystal Opal 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 Crystal Opal chemical formula.

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Apatite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite Vs Crystal Opal during the identification of gemstone. Specific gravity of Apatite is whereas that of Crystal Opal is .