Ludlamite and Halite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Water-soluble
Durability
Not Available
Not Available
Specific Gravity
3.1-3.2
2.17
Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Conchoidal, Brittle, Metallic
Cleavage
Vitreous, pearly on cleavage
Perfect {001}, three directions cubic
Mohs Hardness
3-4
2.0-2.5
Chemical Composition
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
NaCl
Ludlamite and Halite Chemical Formula
While comparing Ludlamite and Halite 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 Halite 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 Halite- NaCl
Ludlamite and Halite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Ludlamite and Halite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ludlamite and Halite Optical Properties during the identification of gemstone. Specific gravity of Ludlamite is 2.17 whereas that of Halite is 2.17.