Pleonaste and Spodumene Physical Properties

Pleonaste

Spodumene

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.803.15-3.21

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

86-7

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

LiAlSi₂O₆

Pleonaste and Spodumene Chemical Formula

While comparing Pleonaste 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 Pleonaste and Spodumene chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Spodumene- LiAlSi₂O₆

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Pleonaste and Spodumene Specific Gravity

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