Spodumene and Sylvite Physical Properties

Spodumene

Sylvite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.211.993

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, Brittle

1.6 Cleavage

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

Perfect on [100], [010], [001]

1.7 Mohs Hardness

6-72.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Not Available

Spodumene and Sylvite Chemical Formula

While comparing Spodumene and Sylvite 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 Spodumene and Sylvite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Spodumene and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 1.993 whereas that of Sylvite is 1.993.