Kyanite and Nifontovite Physical Properties

Kyanite

Nifontovite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.53-3.652.35-2.36

1 7.18

1.5 Fracture

Splintery, Brittle, Metallic

Not Available

1.6 Cleavage

[100] perfect [010] imperfect with 79° angle between

{???} Indistinct

1.7 Mohs Hardness

4-73.5-5

2 10

1.8 Chemical Composition

Not Available

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

Kyanite and Nifontovite Chemical Formula

While comparing Kyanite and Nifontovite 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 Kyanite and Nifontovite chemical formula.

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

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Kyanite and Nifontovite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Kyanite and Nifontovite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Kyanite and Nifontovite Optical Properties during the identification of gemstone. Specific gravity of Kyanite is 2.35-2.36 whereas that of Nifontovite is 2.35-2.36.