Montebrasite and Wernerite Physical Properties
Specific Gravity
2.98-3.10
2.50-2.80
Fracture
Uneven, Conchoidal
-
Cleavage
{100} Perfect, {110} Good, {011} Distinct
Perfect
Mohs Hardness
5.5-6
5-6.5
Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Montebrasite and Wernerite Chemical Formula
While comparing Montebrasite and Wernerite 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 Montebrasite and Wernerite chemical formula.
- Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
Montebrasite and Wernerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Montebrasite and Wernerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Wernerite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.50-2.80 whereas that of Wernerite is 2.50-2.80.