Sardonyx and Spodumene Physical Properties

Sardonyx

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

2.55-2.703.15-3.21

1 7.18

1.5 Fracture

Not Available

Uneven, Subconchoidal, Gemstones (2009)

1.6 Cleavage

Not Available

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

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

LiAlSi₂O₆

Sardonyx and Spodumene Chemical Formula

While comparing Sardonyx 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 Sardonyx and Spodumene chemical formula.

Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Spodumene- LiAlSi₂O₆

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Sardonyx and Spodumene Specific Gravity

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