Spodumene and Kyanite Physical Properties

Spodumene

Kyanite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.213.53-3.65

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Splintery, Brittle, Metallic

1.6 Cleavage

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

[100] perfect [010] imperfect with 79° angle between

1.7 Mohs Hardness

6-74-7

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Not Available

Spodumene and Kyanite Chemical Formula

While comparing Spodumene and Kyanite 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 Kyanite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Spodumene and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.