Gahnospinel and Londonite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.65-4.55
3.34
Fracture
ConchoidalArthur Thomas, Gemstones (2009)
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
Cleavage
None, but may exhibit slight parting
None
Mohs Hardness
7.5-8
Not Available
Chemical Composition
(Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Gahnospinel and Londonite Chemical Formula
While comparing Gahnospinel and Londonite 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 Gahnospinel and Londonite chemical formula.
- Chemical formula of Gahnospinel- (Mg,Zn)Al 2O 4Gemdat.org , Management Team (2012)
- Chemical formula of Londonite- (Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)
Gahnospinel and Londonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Gahnospinel and Londonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Gahnospinel and Londonite Optical Properties during the identification of gemstone. Specific gravity of Gahnospinel is 3.34 whereas that of Londonite is 3.34.