Spodumene and Albite Physical Properties

Spodumene

Albite

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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

3.15-3.212.60-2.65

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal

1.6 Cleavage

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

Perfect on {001}, very good on {010}, imperfect on {110}

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

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

Spodumene and Albite Chemical Formula

While comparing Spodumene and Albite 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 Albite chemical formula.

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

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Spodumene and Albite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Albite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Albite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.60-2.65 whereas that of Albite is 2.60-2.65.