Afghanite and Grossular Garnet Physical Properties

Afghanite

Grossular Garnet

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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

2.55-2.65

3.6

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect {10 1 0}

None

1.7 Mohs Hardness

5.5-6

6.5-7.5

1.8 Chemical Composition

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

Ca₃Al₂Si₃O₁₂

Afghanite and Grossular Garnet Chemical Formula

While comparing Afghanite and Grossular Garnet 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 Grossular Garnet 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)
Chemical formula of Grossular Garnet- Ca₃Al₂Si₃O₁₂

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Afghanite and Grossular Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Grossular Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Grossular Garnet Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.6 whereas that of Grossular Garnet is 3.6.