Afghanite and Ekanite Physical Properties

Afghanite

Ekanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.65

3.28-3.32

1.5 Fracture

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.6 Cleavage

Perfect {10 1 0}

{101} Distinct

1.7 Mohs Hardness

5.5-6

6-6.5

1.8 Chemical Composition

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

Afghanite and Ekanite Chemical Formula

While comparing Afghanite and Ekanite 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 Ekanite 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 Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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Afghanite and Ekanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Ekanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Ekanite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.28-3.32 whereas that of Ekanite is 3.28-3.32.