Cavansite and Apatite Physical Properties

Cavansite

Apatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.25-2.333.16-3.23

1 7.18

1.5 Fracture

Brittle, Metallic, Brittle, Metallic

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

1.6 Cleavage

Good on {010}

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

3-45

2 10

1.8 Chemical Composition

Ca(VO)Si4O10•4(H2O)

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

Cavansite and Apatite Chemical Formula

While comparing Cavansite 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 Cavansite and Apatite chemical formula.

Chemical formula of Cavansite- Ca(VO)Si4O10•4(H2O)
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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Cavansite and Apatite Specific Gravity

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