Afghanite and Nepouite Physical Properties

Afghanite

Nepouite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.55-2.653.18-3.24

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Perfect {10 1 0}

perfect on {001}

1.7 Mohs Hardness

5.5-62

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)

Not Available

Afghanite and Nepouite Chemical Formula

While comparing Afghanite and Nepouite 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 Nepouite 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)

Compare Blue Gemstones

Afghanite Vs Glaucophane

Afghanite Vs Hauyne

Afghanite Vs Kainite

Afghanite and Nepouite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Nepouite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Nepouite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.18-3.24 whereas that of Nepouite is 3.18-3.24.