Spodumene and Kainite Physical Properties

Spodumene

Kainite

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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

3.15-3.212.15

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Splintery, Conchoidal, Brittle

1.6 Cleavage

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

{001}, perfect

1.7 Mohs Hardness

6-72.5-3

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Not Available

Spodumene and Kainite Chemical Formula

While comparing Spodumene and Kainite 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 Kainite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Spodumene and Kainite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Kainite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Kainite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.15 whereas that of Kainite is 2.15.