Hollandite and Faustite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.05
2.9
Fracture
Brittle, Metallic
Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal
Cleavage
Distinct / Good, Prismatic
{???} Indistinct
Chemical Composition
Ba(Mn++++,Mn++)8O16
(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Hollandite and Faustite Chemical Formula
While comparing Hollandite and Faustite 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 Faustite chemical formula.
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
- Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Hollandite and Faustite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hollandite and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Faustite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.9 whereas that of Faustite is 2.9.