Cryolite and Spodumene Physical Properties

Cryolite

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Soluble

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

2.973.15-3.21

1 7.18

1.5 Fracture

Uneven

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

None observed

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

1.7 Mohs Hardness

2.56-7

2 10

1.8 Chemical Composition

Na 3AlF 6Ulrich Henn and Claudio C.

LiAlSi₂O₆

Cryolite and Spodumene Chemical Formula

While comparing Cryolite 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 Cryolite and Spodumene chemical formula.

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

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Cryolite and Spodumene Specific Gravity

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