Omphacite and Hollandite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.16-3.43
5.05
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Brittle, Metallic
Cleavage
{110} Good, {110} Good
Distinct / Good, Prismatic
Chemical Composition
(Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
Ba(Mn++++,Mn++)8O16
Omphacite and Hollandite Chemical Formula
While comparing Omphacite and Hollandite 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 Omphacite and Hollandite chemical formula.
- Chemical formula of Omphacite- (Ca,Na)(Mg,Fe,Al)Si 2O 6Anthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Omphacite and Hollandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Omphacite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Omphacite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Omphacite is 5.05 whereas that of Hollandite is 5.05.