Afghanite and Rhodolite Physical Properties

Afghanite

Rhodolite

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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

3.84

1.5 Fracture

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

Conchoidal

1.6 Cleavage

Perfect {10 1 0}

none, may show indistinct parting

1.7 Mohs Hardness

5.5-6

7-7.5

1.8 Chemical Composition

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

(Mg,Fe)₃Al₂Si₃O₁₂

Afghanite and Rhodolite Chemical Formula

While comparing Afghanite and Rhodolite 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 Rhodolite 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 Rhodolite- (Mg,Fe)₃Al₂Si₃O₁₂

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Afghanite and Rhodolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Rhodolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Rhodolite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.84 whereas that of Rhodolite is 3.84.