Chrome-Chalcedony and Spodumene Physical Properties

Chrome-Chalcedony

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

LiAlSi₂O₆

Chrome-Chalcedony and Spodumene Chemical Formula

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

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

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Chrome-Chalcedony and Spodumene Specific Gravity

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