Vishnevite and Feldspar Physical Properties

Vishnevite

Feldspar

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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

Not Available2.56-2.75

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)

1.6 Cleavage

Perfect

two or three

1.7 Mohs Hardness

5-66-6.5

2 10

1.8 Chemical Composition

Not Available

Vishnevite and Feldspar Chemical Formula

While comparing Vishnevite and Feldspar 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 Feldspar chemical formula.

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Vishnevite and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.