Titanite and Afghanite Physical Properties

Titanite

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

3.48-3.60

2.55-2.65

1.5 Fracture

Sub-Conchoidal, Conchoidal, Brittle

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

1.6 Cleavage

Distinct on [110], parting on {221}

Perfect {10 1 0}

1.7 Mohs Hardness

5-5.5

5.5-6

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)

Titanite and Afghanite Chemical Formula

While comparing Titanite 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 Titanite 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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Titanite and Afghanite Specific Gravity

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