Spodumene and Williamsite Physical Properties

Spodumene

Williamsite

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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

3.15-3.212.51-2.63

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, Conchoidal, Handbook of mineralogy (2001)

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-74

2 10

1.8 Chemical Composition

LiAlSi₂O₆

(Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

Spodumene and Williamsite Chemical Formula

While comparing Spodumene and Williamsite 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 Williamsite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Williamsite- (Mg,Fe2+ ) 3Si 2O 5(OH) 4Anthony et al , Handbook of mineralogy (2001)

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Spodumene and Williamsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Williamsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Williamsite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.51-2.63 whereas that of Williamsite is 2.51-2.63.