Description
Blue (Indicolite) Green Tourmaline cluster from Brazil weighs 14.9 grams. Measures 2 inches long X 2 inches high X 1 inch wide.
Indicolite, also known as Blue Tourmaline, is a very rare complex magnesium iron boro-aluminium silicate hydroxide mineral. This Tourmaline variety gets its color from tiny iron impurities and has only a few known localities throughout the world.
Tourmaline forms through hydrothermal activity, which is a process that involves hot water and vapors carrying the necessary elements to create crystals in open spaces in igneous or metamorphic rock. These open spaces can be cavities, fractures, fissures, or pockets. To learn more about tourmaline read our article.
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