Kainite and Spodumene Physical Properties

Kainite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.153.15-3.21

1 7.18

1.5 Fracture

Splintery, Conchoidal, Brittle

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

{001}, perfect

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

1.7 Mohs Hardness

2.5-36-7

2 10

1.8 Chemical Composition

Not Available

LiAlSi₂O₆

Kainite and Spodumene Chemical Formula

While comparing Kainite 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 Kainite and Spodumene chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Kainite and Spodumene Specific Gravity

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