Hurlbutite and Apatite Physical Properties

Hurlbutite

Apatite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90

Conchoidal

None

CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

3.16-3.23

Conchoidal, Uneven, Conchoidal to uneven

[0001] indistinct, [1010] indistinct

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

Hurlbutite and Apatite Chemical Formula

While comparing Hurlbutite 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 Hurlbutite and Apatite chemical formula.

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Hurlbutite and Apatite Specific Gravity

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