Baddeleyite and Apatite Physical Properties

Baddeleyite

Apatite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

5.5-6.03.16-3.23

1 7.18

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Fracture

Conchoidal

Conchoidal, Uneven, Conchoidal to uneven

Cleavage

{001} Distinct

[0001] indistinct, [1010] indistinct

Mohs Hardness

6.55

2 10

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Chemical Composition

ZrO 2Arthur Thomas , Gemstones (2009)

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

Baddeleyite and Apatite Chemical Formula

While comparing Baddeleyite 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 Baddeleyite and Apatite chemical formula.

Chemical formula of Baddeleyite- ZrO 2Arthur Thomas , Gemstones (2009)
Chemical formula of Apatite- Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references

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Baddeleyite and Apatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Baddeleyite and Apatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Baddeleyite and Apatite Optical Properties during the identification of gemstone. Specific gravity of Baddeleyite is 3.16-3.23 whereas that of Apatite is 3.16-3.23.