Ametrine and Afghanite Physical Properties

Ametrine

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

2.652.55-2.65

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Indiscernible

Perfect {10 1 0}

1.7 Mohs Hardness

75.5-6

2 10

1.8 Chemical Composition

SiO₂

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

Ametrine and Afghanite Chemical Formula

While comparing Ametrine 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 Ametrine and Afghanite chemical formula.

Chemical formula of Ametrine- SiO₂
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 Gems for Scorpio

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Ametrine and Afghanite Specific Gravity

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