Diopside and Afghanite Physical Properties

Diopside

Afghanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.22-3.402.55-2.65

1 7.18

1.5 Fracture

Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal

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

1.6 Cleavage

Distinct/good on {110}

Perfect {10 1 0}

1.7 Mohs Hardness

5-65.5-6

2 10

1.8 Chemical Composition

CaMgSi₂O₆

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

Diopside and Afghanite Chemical Formula

While comparing Diopside 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 Diopside and Afghanite chemical formula.

Chemical formula of Diopside- CaMgSi₂O₆
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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Diopside and Afghanite Specific Gravity

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