Hiddenite and Afghanite Physical Properties

Hiddenite

Afghanite

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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

3.15-3.212.55-2.65

1 7.18

1.5 Fracture

Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)

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

1.6 Cleavage

1,2 prismatic

Perfect {10 1 0}

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Hiddenite and Afghanite Chemical Formula

While comparing Hiddenite 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 Hiddenite and Afghanite chemical formula.

Chemical formula of Hiddenite- LiAlSi₂O₆
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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Hiddenite and Afghanite Specific Gravity

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