Chiastolite and Apatite Physical Properties

Chiastolite

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

3.00-3.153.16-3.23

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

5-5.55

2 10

1.8 Chemical Composition

Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)

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

Chiastolite and Apatite Chemical Formula

While comparing Chiastolite 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 Chiastolite and Apatite chemical formula.

Chemical formula of Chiastolite- Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
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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Chiastolite and Apatite Specific Gravity

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