Spodumene and Rock Crystal Physical Properties
Tenacity
Brittle
Not Available
Solubility
insoluble
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.15-3.21
2.65
Fracture
Uneven, Subconchoidal, Gemstones (2009)
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Not Available
Chemical Composition
LiAlSi2O6
SiO 2Walter Schumann , Gemstones of the world (2001)
Spodumene and Rock Crystal Chemical Formula
While comparing Spodumene and Rock Crystal 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 Rock Crystal chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Spodumene and Rock Crystal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.65 whereas that of Rock Crystal is 2.65.