Beryllonite and Rock Crystal Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.79-2.87
2.65
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
Not Available
Chemical Composition
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Walter Schumann , Gemstones of the world (2001)
Beryllonite and Rock Crystal Chemical Formula
While comparing Beryllonite 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 Beryllonite and Rock Crystal chemical formula.
- Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Rock Crystal- SiO 2Walter Schumann , Gemstones of the world (2001)
Beryllonite and Rock Crystal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Beryllonite and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.65 whereas that of Rock Crystal is 2.65.