Spodumene and Chrome-Chalcedony Physical Properties

Spodumene

Chrome-Chalcedony

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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 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

Spodumene and Chrome-Chalcedony Chemical Formula

While comparing Spodumene and Chrome-Chalcedony 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 Chrome-Chalcedony chemical formula.

Chemical formula of Spodumene- LiAlSi₂O₆
Chemical formula of Chrome-Chalcedony- SiO 2 (with trace Cr minerals) Gemdat.org , Management Team (2012)

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Spodumene and Chrome-Chalcedony Specific Gravity

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