Sanidine and Spodumene Physical Properties

Sanidine

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

2.54-2.613.15-3.21

1 7.18

1.5 Fracture

Uneven, Uneven, Gems, Sixth Edition (2006)

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

{001} Perfect, {010} Good

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

1.7 Mohs Hardness

66-7

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)

LiAlSi₂O₆

Sanidine and Spodumene Chemical Formula

While comparing Sanidine 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 Sanidine and Spodumene chemical formula.

Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Spodumene- LiAlSi₂O₆

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Sanidine and Spodumene Specific Gravity

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