Spodumene and Anhydrite Physical Properties

Spodumene

Anhydrite

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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

3.15-3.212.90-2.98

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

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

Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.

1.7 Mohs Hardness

6-73.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

Spodumene and Anhydrite Chemical Formula

While comparing Spodumene and Anhydrite 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 Anhydrite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Anhydrite- CaSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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Spodumene and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.