Vishnevite and Spodumene Physical Properties

Vishnevite

Spodumene

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

Not Available3.15-3.21

1 7.18

1.5 Fracture

Brittle, Uneven

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Perfect

Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°

1.7 Mohs Hardness

5-66-7

2 10

1.8 Chemical Composition

Not Available

LiAlSi₂O₆

Vishnevite and Spodumene Chemical Formula

While comparing Vishnevite and Spodumene 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 Spodumene chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Vishnevite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vishnevite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vishnevite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Vishnevite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.