Green Tourmaline, A beautiful gem available in nearly all the colours and multi-coloured gems are also available. Its deep colours and enchanting lustre makes it one of the most widely used gemstones. Though good quality Green Tourmaline are expensive but still not as expensive as Emeralds and Rubies. Hence, Astrologers often use these as sub-stones. Benefits: Mostly green coloured Green Tourmaline are used in Astrology. It has a positive effect on the body and mind and does away with all the malefic influences of Rahu, Ketu, Mars and Saturn. Who should wear it? It improves memory and is very useful for children who are weak in studies also recommended for accountant, software professional etc. who are supposed to strain their mind to a very great extent. Greatly beneficial for business people, politicians and administrators.
Green Tourmaline Rs. 1100.00 Per Ratti.
Category : Cyclosilicate
Crystal system : Trigonal
Crystal habit : Parallel and elongated. Acicular prisms, sometimes radiating. Massive. Scattered grains.
Color : Most commonly black, but can range from brown, violet, green, pink, or in a dual-colored pink and green.
Mohs scale hardness : 7–7.5
Luster : Vitreous, sometimes resinous
Streak : White
Specific gravity : 3.06 (+.20 -.06)
Refractive index : 1.635–1.675,, 1.610–1.650
Solubility : insoluble in common solvents
Pleochroism : Red Tourmaline: Definite; dark red,light red Green Tourmaline: Strong; dark green, yellow-green Brown Tourmaline: Definite; dark brown, light brown Blue Tourmaline: Strong; dark blue, light blue.