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Afghanite
Afghanite

Girasol
Girasol



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Afghanite and Girasol 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
2.55-2.65
1.98-2.50
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Perfect {10 1 0}
Not Available
1.7 Mohs Hardness
5.5-6
5.5-6.5
1.8 Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Afghanite and Girasol Chemical Formula

While comparing Afghanite and Girasol 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 Girasol 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 Girasol- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Afghanite and Girasol Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Girasol Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Girasol Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 1.98-2.50 whereas that of Girasol is 1.98-2.50.