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Apatite
Apatite

Sphalerite
Sphalerite



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Apatite
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Sphalerite

Apatite and Sphalerite 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
 
-
-
-
3.95-4.10
Uneven
{110} Perfect, {110} Perfect, {110} Perfect
3.5-4
(Zn,Fe)SMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Apatite and Sphalerite Chemical Formula

While comparing Apatite and Sphalerite 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 Sphalerite chemical formula.

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Apatite and Sphalerite Specific Gravity

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