Spodumene and Triplite Physical Properties

Spodumene

Triplite

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Physical Properties

Tenacity

Brittle

Solubility

insoluble

Durability

Specific Gravity

3.15-3.213.85-3.94

1 7.18

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Fracture

Uneven, Subconchoidal

Conchoidal, Uneven

Cleavage

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

{010} Good, {100} Distinct

Mohs Hardness

6-75-5.5

2 10

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Chemical Composition

LiAlSi₂O₆

(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

Spodumene and Triplite Chemical Formula

While comparing Spodumene and Triplite 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 Triplite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Triplite- (Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)

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Spodumene and Triplite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Triplite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Triplite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.85-3.94 whereas that of Triplite is 3.85-3.94.