Gyrolite and Apatite Physical Properties

Gyrolite

Apatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.4 Solubility

Not Available

1.5 Durability

Not Available

1.6 Specific Gravity

2.483.16-3.23

1 7.18

1.8 Fracture

Brittle, Uneven, Brittle, Uneven

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

1.9 Cleavage

Perfect on {001}

[0001] indistinct, [1010] indistinct

1.10 Mohs Hardness

2 10

1.11 Chemical Composition

NaCa16Si23AlO60(OH)8•64(H2O)

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

Gyrolite and Apatite Chemical Formula

While comparing Gyrolite 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 Gyrolite and Apatite chemical formula.

Chemical formula of Gyrolite- NaCa16Si23AlO60(OH)8•64(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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Gyrolite and Apatite Specific Gravity

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