Spodumene and Sanidine Physical Properties

Spodumene

Sanidine

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.54-2.61

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006)

1.6 Cleavage

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

{001} Perfect, {010} Good

1.7 Mohs Hardness

6-76

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Spodumene and Sanidine Chemical Formula

While comparing Spodumene and Sanidine 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 Sanidine chemical formula.

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

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Spodumene and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.