Spodumene and Edenite Physical Properties

Spodumene

Edenite

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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

3.15-3.213.05-3.37

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Conchoidal, Brittle, Conchoidal

1.6 Cleavage

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

Good on (110)

1.7 Mohs Hardness

6-75-6

2 10

1.8 Chemical Composition

LiAlSi₂O₆

NaCa2Mg5Si7AlO22(OH)2

Spodumene and Edenite Chemical Formula

While comparing Spodumene and Edenite 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 Edenite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2

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Spodumene and Edenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Edenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Edenite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.05-3.37 whereas that of Edenite is 3.05-3.37.