Vishnevite and Humite Physical Properties

Vishnevite

Humite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.20-3.32

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal

1.6 Cleavage

Perfect

Poor

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

Not Available

(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

Vishnevite and Humite Chemical Formula

While comparing Vishnevite and Humite 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 Vishnevite and Humite chemical formula.

Chemical formula of Humite- (Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)

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Vishnevite and Humite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Humite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Humite Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.20-3.32 whereas that of Humite is 3.20-3.32.