Bayldonite and Apatite Physical Properties

Bayldonite

Apatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.503.16-3.23

1 7.18

1.5 Fracture

Uneven

Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven

1.6 Cleavage

None

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

4.55

2 10

1.8 Chemical Composition

(Cu,Zn)3Pb(AsO3OH)2(OH)2

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

Bayldonite and Apatite Chemical Formula

While comparing Bayldonite 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 Bayldonite and Apatite chemical formula.

Chemical formula of Bayldonite- (Cu,Zn)3Pb(AsO3OH)2(OH)2
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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Bayldonite and Apatite Specific Gravity

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