Franklinite and Indicolite Blue Tourmaline Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
5.05-5.22
3.05-3.11
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Not Available
Cleavage
None
Not Available
Mohs Hardness
5.5-6
7-7.5
Chemical Composition
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Franklinite and Indicolite Blue Tourmaline Chemical Formula
While comparing Franklinite and Indicolite Blue Tourmaline 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 Franklinite and Indicolite Blue Tourmaline chemical formula.
- Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Indicolite Blue Tourmaline- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Franklinite and Indicolite Blue Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Franklinite and Indicolite Blue Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Franklinite and Indicolite Blue Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Franklinite is 3.05-3.11 whereas that of Indicolite Blue Tourmaline is 3.05-3.11.