Andradite Garnet and Ludlamite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.8-3.9
3.1-3.2
Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
None
Vitreous, pearly on cleavage
Mohs Hardness
6.5-7.5
3-4
Chemical Composition
Ca3Fe3+2Si3O12
(Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Andradite Garnet and Ludlamite Chemical Formula
While comparing Andradite Garnet 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 Andradite Garnet and Ludlamite chemical formula.
- Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12
- Chemical formula of Ludlamite- (Fe2+ ,Mg,Mn2+ ) 3(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Andradite Garnet and Ludlamite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Andradite Garnet and Ludlamite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andradite Garnet and Ludlamite Optical Properties during the identification of gemstone. Specific gravity of Andradite Garnet is 3.1-3.2 whereas that of Ludlamite is 3.1-3.2.