Selenite and Spodumene Physical Properties

Selenite

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

Not Available

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

26-7

2 10

1.8 Chemical Composition

Not Available

LiAlSi₂O₆

Selenite and Spodumene Chemical Formula

While comparing Selenite 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 Selenite and Spodumene chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Selenite and Spodumene Specific Gravity

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