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Apatite
Apatite

Malachite
Malachite



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Apatite
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Malachite

Apatite and Malachite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.233.25-4.10
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Conchoidal, Conchoidal, Gemstones (2009), Uneven
1.6 Cleavage
[0001] indistinct, [1010] indistinct
Perfect on { 2 01} fair on {010}
1.7 Mohs Hardness
53.5-4
Amber
2 10
1.8 Chemical Composition
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references
Cu2CO3(OH)2

Apatite and Malachite Chemical Formula

While comparing Apatite and Malachite 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 Malachite 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 Malachite- Cu2CO3(OH)2

Apatite and Malachite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Malachite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Malachite Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.25-4.10 whereas that of Malachite is 3.25-4.10.