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Afghanite
Afghanite

Azurite
Azurite



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Afghanite
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Azurite

Afghanite and Azurite 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
2.55-2.653.70-3.90
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Perfect {10 1 0}
Perfect on {011}, fair on {100}, poor on {110}
1.7 Mohs Hardness
5.5-63.5-4
Amber
2 10
1.8 Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Afghanite and Azurite Chemical Formula

While comparing Afghanite and Azurite 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 Afghanite and Azurite chemical formula.

  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Afghanite and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.