Andradite Garnet and Apatite Physical Properties

Andradite Garnet

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

3.8-3.93.16-3.23

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

[0001] indistinct, [1010] indistinct

1.7 Mohs Hardness

6.5-7.55

2 10

1.8 Chemical Composition

Ca₃Fe³⁺₂Si₃O₁₂

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

Andradite Garnet and Apatite Chemical Formula

While comparing Andradite Garnet 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 Andradite Garnet and Apatite chemical formula.

Chemical formula of Andradite Garnet- Ca₃Fe³⁺₂Si₃O₁₂
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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Andradite Garnet and Apatite Specific Gravity

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