Bertrandite and Cinnabar Physical Properties
Tenacity
Not Available
Slightly sectile
Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
Durability
Not Available
Not Available
Specific Gravity
2.59-2.60
2
Fracture
Brittle, Metallic, Brittle, Metallic
Uneven, Uneven, Gemstones (2009), Brittle
Cleavage
{001} Perfect, {110} Distinct, {101} Distinct
Prismatic {10 1 0}, perfect
Chemical Composition
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bertrandite and Cinnabar Chemical Formula
While comparing Bertrandite and Cinnabar 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 Bertrandite and Cinnabar chemical formula.
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Cinnabar- HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Bertrandite and Cinnabar Specific Gravity
Another important criteria for qualitative analysis of gemstones is Bertrandite and Cinnabar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Bertrandite and Cinnabar Optical Properties during the identification of gemstone. Specific gravity of Bertrandite is 2 whereas that of Cinnabar is 2.