Garnet and Afghanite Physical Properties

Garnet

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

3.55-4.33

2.55-2.65

1.5 Fracture

Conchoidal, Uneven

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

1.6 Cleavage

Indistinct

Perfect {10 1 0}

1.7 Mohs Hardness

6.5-7.5

5.5-6

1.8 Chemical Composition

Garnet is a series of several different minerals with unique chemical formulas.

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

Garnet and Afghanite Chemical Formula

While comparing Garnet 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 Garnet and Afghanite chemical formula.

Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
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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Garnet and Afghanite Specific Gravity

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