Baryte and Apatite Physical Properties

Baryte

Apatite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.3-5

3.16-3.23

1.5 Fracture

Irregular/uneven

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

1.6 Cleavage

Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

3-3.5

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

Baryte and Apatite Chemical Formula

While comparing Baryte 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 Baryte 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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Baryte and Apatite Specific Gravity

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