Spodumene and Brookite Physical Properties

Spodumene

Brookite

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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

3.15-3.213.87-4.14

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

1.6 Cleavage

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

Poor on {120}, in traces on {001}

1.7 Mohs Hardness

6-75.5-6

2 10

1.8 Chemical Composition

LiAlSi₂O₆

TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Brookite Chemical Formula

While comparing Spodumene and Brookite 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 Brookite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spodumene and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Brookite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.87-4.14 whereas that of Brookite is 3.87-4.14.