Apatite and Rubellite Tourmaline Physical Properties

Apatite

Rubellite Tourmaline

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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

3.16-3.23

Not Available

1.5 Fracture

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

Not Available

1.6 Cleavage

[0001] indistinct, [1010] indistinct

None

1.7 Mohs Hardness

2.5-3

1.8 Chemical Composition

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

Apatite and Rubellite Tourmaline Chemical Formula

While comparing Apatite and Rubellite Tourmaline 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 Apatite and Rubellite Tourmaline 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
Chemical formula of Rubellite Tourmaline- Ag

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Apatite and Rubellite Tourmaline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Rubellite Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Rubellite Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Apatite is Not Available whereas that of Rubellite Tourmaline is Not Available.