Diaspore and Spodumene Physical Properties

Diaspore

Spodumene

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1 Physical Properties

1.1 Tenacity

Very brittle

Brittle

1.2 Solubility

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.30-3.403.15-3.21

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

{010} perfect, {110} distinct, {100} in traces

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

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references

LiAlSi₂O₆

Diaspore and Spodumene Chemical Formula

While comparing Diaspore 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 Diaspore and Spodumene chemical formula.

Chemical formula of Diaspore- AlO(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Spodumene- LiAlSi₂O₆

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Diaspore and Spodumene Specific Gravity

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