Rosasite and Apatite Physical Properties

Rosasite

Apatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Effervesces in cold

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4-4.2

3.16-3.23

1.5 Fracture

Splintery

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

1.6 Cleavage

Perfect on {100} and {010}

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

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

Rosasite and Apatite Chemical Formula

While comparing Rosasite 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 Rosasite 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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Rosasite and Apatite Specific Gravity

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