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Apatite
Apatite

Periclase
Periclase



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Apatite
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Periclase

Apatite and Periclase Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.16-3.233.7-3.9
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven, Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal to uneven
Conchoidal, Brittle
1.6 Cleavage
[0001] indistinct, [1010] indistinct
{001} perfect; {111} imperfect, may exhibit parting on , {011}
1.7 Mohs Hardness
55.5-6
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
MgOMichael O’Donoghue , Gems, Sixth Edition (2006)

Apatite and Periclase Chemical Formula

While comparing Apatite and Periclase 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 Periclase 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 Periclase- MgOMichael O’Donoghue , Gems, Sixth Edition (2006)

Apatite and Periclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Apatite and Periclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apatite and Periclase Optical Properties during the identification of gemstone. Specific gravity of Apatite is 3.7-3.9 whereas that of Periclase is 3.7-3.9.