Spodumene and Zincite Physical Properties

Spodumene

Zincite

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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

3.15-3.215.50-5.90

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

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

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

6-74

2 10

1.8 Chemical Composition

LiAlSi₂O₆

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Spodumene and Zincite Chemical Formula

While comparing Spodumene and Zincite 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 Zincite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Spodumene and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Zincite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 5.50-5.90 whereas that of Zincite is 5.50-5.90.