Kurnakovite and Apatite Physical Properties

Kurnakovite

Apatite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

1.847-1.8523.16-3.23

1 7.18

1.5 Fracture

Brittle, Conchoidal

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

1.6 Cleavage

Poor to indistinct on {010}

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

2-35

2 10

1.8 Chemical Composition

Not Available

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

Kurnakovite and Apatite Chemical Formula

While comparing Kurnakovite 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 Kurnakovite and Apatite chemical formula.

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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Kurnakovite and Apatite Specific Gravity

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