Afghanite and Jadeite Physical Properties

Afghanite

Jadeite

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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

3.28-3.38

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

Perfect {10 1 0}

Good on [110]

1.7 Mohs Hardness

5.5-6

6.5-7

1.8 Chemical Composition

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

NaAlSi 2O 6Ulrich Henn and Claudio C.

Afghanite and Jadeite Chemical Formula

While comparing Afghanite and Jadeite 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 Jadeite 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 Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Afghanite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.