Spodumene and Riebeckite Physical Properties

Spodumene

Riebeckite

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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

3.15-3.213.28-3.44

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, Splintery, Brittle

1.6 Cleavage

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

Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}

1.7 Mohs Hardness

6-75.0-6.0

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Not Available

Spodumene and Riebeckite Chemical Formula

While comparing Spodumene and Riebeckite 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 Riebeckite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Spodumene and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.