Gaylussite and Spodumene Physical Properties

Gaylussite

Spodumene

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

decomposes in water

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.93-1.993.15-3.21

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Brittle

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

perfect [110]

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

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

Na2Ca(CO3)2•5(H2O)

LiAlSi₂O₆

Gaylussite and Spodumene Chemical Formula

While comparing Gaylussite 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 Gaylussite and Spodumene chemical formula.

Chemical formula of Gaylussite- Na2Ca(CO3)2•5(H2O)
Chemical formula of Spodumene- LiAlSi₂O₆

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Gaylussite and Spodumene Specific Gravity

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