Spodumene and Aragonite Physical Properties

Spodumene

Aragonite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Dilute acid

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.93-2.96

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°

Distinct on {010}, imperfect {110} and {011}

1.7 Mohs Hardness

6-73.5-4

2 10

1.8 Chemical Composition

LiAlSi₂O₆

CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Aragonite Chemical Formula

While comparing Spodumene and Aragonite 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 Aragonite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Aragonite- CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spodumene and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.