Stichtite and Spodumene Physical Properties

Stichtite

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

2.11-2.20

3.15-3.21

1.5 Fracture

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Perfect on {0001}

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

1.7 Mohs Hardness

Not Available

6-7

1.8 Chemical Composition

Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

LiAlSi₂O₆

Stichtite and Spodumene Chemical Formula

While comparing Stichtite 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 Stichtite and Spodumene chemical formula.

Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Spodumene- LiAlSi₂O₆

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Stichtite and Spodumene Specific Gravity

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