Spodumene and Sardonyx Physical Properties

Spodumene

Sardonyx

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.15-3.212.55-2.70

1 7.18

1.5 Fracture

Uneven, Subconchoidal, Gemstones (2009)

Not Available

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

6-76.5-7

2 10

1.8 Chemical Composition

LiAlSi₂O₆

SiO 2Ulrich Henn and Claudio C.

Spodumene and Sardonyx Chemical Formula

While comparing Spodumene and Sardonyx 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 Sardonyx chemical formula.

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

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Spodumene and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.