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Afghanite
Afghanite

Petoskey Stone
Petoskey Stone



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Afghanite
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Petoskey Stone

Afghanite and Petoskey Stone Physical Properties

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
2.55-2.65Not Available
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
Not Available
1.6 Cleavage
Perfect {10 1 0}
Not Available
1.7 Mohs Hardness
5.5-67
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)
Not Available

Afghanite and Petoskey Stone Chemical Formula

While comparing Afghanite and Petoskey Stone 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 Petoskey Stone 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)
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Afghanite and Petoskey Stone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Petoskey Stone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Petoskey Stone Optical Properties during the identification of gemstone. Specific gravity of Afghanite is Not Available whereas that of Petoskey Stone is Not Available.