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