Rubellite Tourmaline and Afghanite Physical Properties

Rubellite Tourmaline

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

Not Available2.55-2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

None

Perfect {10 1 0}

1.7 Mohs Hardness

2.5-35.5-6

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)

Rubellite Tourmaline and Afghanite Chemical Formula

While comparing Rubellite Tourmaline 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 Rubellite Tourmaline and Afghanite chemical formula.

Chemical formula of Rubellite Tourmaline- Ag
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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Rubellite Tourmaline and Afghanite Specific Gravity

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