Spodumene and Oligoclase Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.15-3.21
2.62-2.67
Fracture
Uneven, Subconchoidal, Gemstones (2009)
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006), Uneven
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
From the Greek, oligos and kasein, little cleavage.
Chemical Composition
LiAlSi2O6
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Spodumene and Oligoclase Chemical Formula
While comparing Spodumene and Oligoclase 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 Oligoclase chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- Chemical formula of Oligoclase- Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Spodumene and Oligoclase Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.