Square Tourmaline Natural Gemstones Size: 3 Carat To 12 Carat

Reckoned amid one of the distinguished business entities, we manufacture, export, distribute and supply a top class consignment of Square Tourmaline Natural Gemstones in Delhi, Delhi, India.

"Tourmaline" is the name of a large group of boron silicate minerals that comes in a wide variety of exciting colors, occurring in various shades of virtually every hue. Its name is believed to be derived from the Sinhalese word, "turamali", which means "stone with various colors". Tourmaline also shows color-zoning. Gems cut from color-zoned crystals with pleasing colors fetch good premium from designers and collectors.

Tourmaline identification
Identification can be done by looking at the stone carefully. Tourmaline crystals are prismatic and often show striations that are parallel to their long axis.
Tourmaline is pleochroic, with the darkest color viewing down the C-axis and lighter color viewing perpendicular to the C-axis.

Tourmaline Deposits
Tourmaline is mined chiefly in Brazil and Africa. Some placer material suitable for gem use comes from Sri Lanka.
Other deposits are located in Tanzania, Nigeria, Kenya, Madagascar, Mozambique, Namibia, Afghanistan, Pakistan.

Tourmaline Hue
Tourmaline occurs in variety of colors. Iron-rich tourmalines such as Schorl are black to bluish-black to deep brown, while magnesium-rich varieties are brown to yellow, and lithium-rich tourmalines are almost any color: blue, green, red, yellow, pink, etc.