Stichtite and Ludlamite Physical Properties
Specific Gravity
2.11-2.20
3.1-3.2
Cleavage
Perfect on {0001}
Vitreous, pearly on cleavage
Chemical Composition
Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Stichtite and Ludlamite Chemical Formula
While comparing Stichtite and Ludlamite 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 Stichtite and Ludlamite chemical formula.
- Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Stichtite and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Stichtite and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Stichtite and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Stichtite is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.