Afghanite and Super Seven Crystals Physical Properties

Afghanite

Super Seven Crystals

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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

2.55-2.652.9

1 7.18

1.5 Fracture

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

Fibrous

1.6 Cleavage

Perfect {10 1 0}

[010] Perfect, [100] Distinct, [011] Distinct

1.7 Mohs Hardness

5.5-62

2 10

1.8 Chemical Composition

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

Not Available

Afghanite and Super Seven Crystals Chemical Formula

While comparing Afghanite and Super Seven Crystals 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 Super Seven Crystals 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)

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Afghanite and Super Seven Crystals Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Super Seven Crystals Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Super Seven Crystals Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.9 whereas that of Super Seven Crystals is 2.9.