Spodumene and Zinnwaldite Physical Properties

Spodumene

Zinnwaldite

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1 Physical Properties

1.1 Tenacity

Brittle

Elastic

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.9-3.1

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven

1.6 Cleavage

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

Perfect basal {001}

1.7 Mohs Hardness

6-73.5-4.0

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Not Available

Spodumene and Zinnwaldite Chemical Formula

While comparing Spodumene and Zinnwaldite 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 Zinnwaldite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Spodumene and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.