Montebrasite and Wavellite Physical Properties
Specific Gravity
2.98-3.10
2.36
Fracture
Uneven, Conchoidal
Uneven, Subconchoidal, Fibrous
Cleavage
{100} Perfect, {110} Good, {011} Distinct
[110] perfect, [101] good, [010] distinct
Mohs Hardness
5.5-6
3.5-4
Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Montebrasite and Wavellite Chemical Formula
While comparing Montebrasite and Wavellite 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 Wavellite 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 Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Montebrasite and Wavellite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Montebrasite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Montebrasite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Montebrasite is 2.36 whereas that of Wavellite is 2.36.