Nifontovite and Afghanite Physical Properties

Nifontovite

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

2.35-2.36

2.55-2.65

1.5 Fracture

Not Available

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

1.6 Cleavage

{???} Indistinct

Perfect {10 1 0}

1.7 Mohs Hardness

3.5-5

5.5-6

1.8 Chemical Composition

Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)

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

Nifontovite and Afghanite Chemical Formula

While comparing Nifontovite 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 Nifontovite and Afghanite chemical formula.

Chemical formula of Nifontovite- Ca 3B 6O 6(OH) 12 · 2H 2OAnthony et al , Handbook of Mineralogy (2001)
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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Nifontovite Vs Baryte

Nifontovite and Afghanite Specific Gravity

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