Indicolite is a gemstone variety of the tourmaline group. It exhibits a wide range of stunning blue shades. On Mohs scale of hardness, indicolite is 7-7.5. It has a vitreous luster on crystal surfaces and a greasy luster on fractures. Sources include Brazil (Minas Gerais, Paraida), Afghanistan, Australia, Burma (Myanmar), India, Madagascar, Malawi, Mozambique, Namibia, Nepal, Nigeria, Pakistan, Russia, Zambia, Zimbabwe, Sri Lanka, Tanzania, the United States (California, Maine), Zaire, Elba (Italy) and Switzerland (Tessin).
Color
Indicolite exhibits a wide range of stunning blue shades.
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