Spodumene and Cinnabar Physical Properties

Spodumene

Cinnabar

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1 Physical Properties

1.1 Tenacity

Brittle

Slightly sectile

1.2 Solubility

insoluble

1.04 x 10⁻²⁵ g per 100 ml water (Ksp at 25°C = 2 x 10⁻³²)

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Uneven, Uneven, Gemstones (2009), Brittle

1.6 Cleavage

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

Prismatic {10 1 0}, perfect

1.7 Mohs Hardness

6-72-2.5

2 10

1.8 Chemical Composition

LiAlSi₂O₆

HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Spodumene and Cinnabar Chemical Formula

While comparing Spodumene and Cinnabar 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 Cinnabar chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Spodumene and Cinnabar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2 whereas that of Cinnabar is 2.