Riebeckite and Spodumene Physical Properties

Riebeckite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.28-3.443.15-3.21

1 7.18

1.5 Fracture

Uneven, Splintery, Brittle

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

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

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

1.7 Mohs Hardness

5.0-6.06-7

2 10

1.8 Chemical Composition

Not Available

LiAlSi₂O₆

Riebeckite and Spodumene Chemical Formula

While comparing Riebeckite and Spodumene 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 Riebeckite and Spodumene chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆

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Riebeckite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Riebeckite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Riebeckite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Riebeckite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.