Spodumene and Rutile Physical Properties

Spodumene

Rutile

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Insoluble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.214.20-4.30

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

{110} good, 100 moderate, parting on {092} and {011}

1.7 Mohs Hardness

6-76-6.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Spodumene and Rutile Chemical Formula

While comparing Spodumene and Rutile 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 Rutile chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Spodumene and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Rutile Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 4.20-4.30 whereas that of Rutile is 4.20-4.30.