Ludlamite and Hollandite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
5.05
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Brittle, Metallic
Cleavage
Vitreous, pearly on cleavage
Distinct / Good, Prismatic
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ba(Mn++++,Mn++)8O16
Ludlamite and Hollandite Chemical Formula
While comparing Ludlamite 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 Ludlamite and Hollandite chemical formula.
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Ludlamite and Hollandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 5.05 whereas that of Hollandite is 5.05.