Glaucophane and Spodumene Physical Properties

Glaucophane

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

3-3.153.15-3.21

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Good on [110] and on [001]

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

1.7 Mohs Hardness

6.0-6.56-7

2 10

1.8 Chemical Composition

[ ]Na2(Mg3Al2)Si8O22(OH)2

LiAlSi₂O₆

Glaucophane and Spodumene Chemical Formula

While comparing Glaucophane 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 Glaucophane and Spodumene chemical formula.

Chemical formula of Glaucophane- [ ]Na2(Mg3Al2)Si8O22(OH)2
Chemical formula of Spodumene- LiAlSi₂O₆

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Glaucophane and Spodumene Specific Gravity

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