Forsterite and Bertrandite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.23-3.26
2.59-2.60
Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Brittle, Metallic, Brittle, Metallic
Cleavage
Perfect on {010} imperfect on {100}
{001} Perfect, {110} Distinct, {101} Distinct
Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Forsterite and Bertrandite Chemical Formula
While comparing Forsterite and Bertrandite 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 Forsterite and Bertrandite chemical formula.
- Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Bertrandite- Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)
Forsterite and Bertrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Forsterite and Bertrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite and Bertrandite Optical Properties during the identification of gemstone. Specific gravity of Forsterite is 2.59-2.60 whereas that of Bertrandite is 2.59-2.60.