Datolite and Apatite Physical Properties

Datolite

Apatite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

Brittle

2.90-3.00

Conchoidal, Uneven

None

5-5.5

CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Datolite and Apatite Chemical Formula

While comparing Datolite 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 Datolite and Apatite chemical formula.

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Datolite and Apatite Specific Gravity

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