Moonstone and Brookite Physical Properties
Specific Gravity
2.56-2.60
3.87-4.14
Fracture
Uneven, ConchoidalWalter Schumann
Subconchoidal, Conchoidal
Cleavage
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
Poor on {120}, in traces on {001}
Mohs Hardness
6-6.5
5.5-6
Chemical Composition
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Moonstone and Brookite Chemical Formula
While comparing Moonstone and Brookite 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 Moonstone and Brookite chemical formula.
- Chemical formula of Moonstone- Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
- Chemical formula of Brookite- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Moonstone and Brookite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Moonstone and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moonstone and Brookite Optical Properties during the identification of gemstone. Specific gravity of Moonstone is 3.87-4.14 whereas that of Brookite is 3.87-4.14.