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Eosphorite
Eosphorite

Afghanite
Afghanite



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Eosphorite
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Afghanite

Eosphorite and Afghanite 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
3.05-3.082.55-2.65
Amber
1 7.18
1.5 Fracture
Subconchoidal, Uneven, Conchoidal, Uneven
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle
1.6 Cleavage
Poor on {100}
Perfect {10 1 0}
1.7 Mohs Hardness
55.5-6
Amber
2 10
1.8 Chemical Composition
Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Eosphorite and Afghanite Chemical Formula

While comparing Eosphorite and Afghanite 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 Eosphorite and Afghanite chemical formula.

  • Chemical formula of Eosphorite- Mn2+ Al(PO 4)(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Eosphorite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Eosphorite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Eosphorite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Eosphorite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.