Spodumene and Cryolite Physical Properties

Spodumene

Cryolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

insoluble

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.97

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven

1.6 Cleavage

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

None observed

1.7 Mohs Hardness

6-72.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

Na 3AlF 6Ulrich Henn and Claudio C.

Spodumene and Cryolite Chemical Formula

While comparing Spodumene and Cryolite 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 Cryolite chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Cryolite- Na 3AlF 6Ulrich Henn and Claudio C.

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Spodumene and Cryolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Cryolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Cryolite Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.97 whereas that of Cryolite is 2.97.