Swiss blue topaz and Apatite Physical Properties

Swiss blue topaz

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

Not Available3.16-3.23

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

Not Available5

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

Swiss blue topaz and Apatite Chemical Formula

While comparing Swiss blue topaz 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 Swiss blue topaz 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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Swiss blue topaz and Apatite Specific Gravity

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