Celestine and Spodumene Physical Properties

Celestine

Spodumene

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.90-4.003.15-3.21

1 7.18

1.5 Fracture

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Perfect on {001}, good on {210}, poor on {010}

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

1.7 Mohs Hardness

3-3.56-7

2 10

1.8 Chemical Composition

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

LiAlSi₂O₆

Celestine and Spodumene Chemical Formula

While comparing Celestine 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 Celestine and Spodumene chemical formula.

Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spodumene- LiAlSi₂O₆

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Celestine and Spodumene Specific Gravity

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