Super Seven Crystals and Afghanite Physical Properties

Super Seven Crystals

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

2.92.55-2.65

1 7.18

1.5 Fracture

Fibrous

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

1.6 Cleavage

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

Perfect {10 1 0}

1.7 Mohs Hardness

25.5-6

2 10

1.8 Chemical Composition

Not Available

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

Super Seven Crystals and Afghanite Chemical Formula

While comparing Super Seven Crystals 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 Super Seven Crystals and Afghanite 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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Super Seven Crystals and Afghanite Specific Gravity

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