Clinozoisite and Spodumene Physical Properties

Clinozoisite

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

3.21-3.383.15-3.21

1 7.18

1.5 Fracture

Irregular/uneven, Uneven

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Perfect on {001}

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

1.7 Mohs Hardness

6-76-7

2 10

1.8 Chemical Composition

Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references

LiAlSi₂O₆

Clinozoisite and Spodumene Chemical Formula

While comparing Clinozoisite 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 Clinozoisite and Spodumene chemical formula.

Chemical formula of Clinozoisite- Ca 2Al 3(SiO 4) 3(OH)Walter Schumann , Gemstones of the world (2001) More from other references
Chemical formula of Spodumene- LiAlSi₂O₆

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Clinozoisite and Spodumene Specific Gravity

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