Hollandite and Hurlbutite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.05
2.90
Fracture
Brittle, Metallic
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
Distinct / Good, Prismatic
None
Chemical Composition
Ba(Mn++++,Mn++)8O16
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Hollandite and Hurlbutite Chemical Formula
While comparing Hollandite and Hurlbutite 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 Hollandite and Hurlbutite chemical formula.
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
- Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Hollandite and Hurlbutite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hollandite and Hurlbutite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Hurlbutite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.90 whereas that of Hurlbutite is 2.90.