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 Watermellon TourmalineTOURMALINE - A complex borosilicate of aluminum and alkali, with iron, magnesium, and other cations. The name is apparently derived from the Sinhalese turamali, referring to gems of unknown identity- probably zircons. It usually occurs as long, three-sided prisms, which are often well terminated; but sometimes it is found as parallel or radiating groups of long, thin striated prisms. It has one of the widest color ranges in the mineral world. The most common color is black, but tourmaline may be pink, violet-red, brownish yellow, blackish brown, various shades of green, light blue, blue-green, dark blue, and (rarely) colorless. Also found are crystals with transverse zoning, the color of the crystal gradually changing from one end to the other. Tourmaline has good resistance to weathering and is therefore often found in Alluvium. On the Moh's scale tourmaline is a 7.0. Tourmaline is found differentiated dikes of silica-rich intrusive rocks and is quite common around granite, where pegmatitic, pneumatolytic mineralizations are abundant. It is widely distributed, the most common variety being black tourmaline, which is no value as a gem. The most famous deposits are in Sri Lanka, the Soviet Union, Afghanistan, Burma, the United States (California, Maine, Connecticut), Brazil, Tanzania, Zimbabwe, and Namibia. Tourmaline pink (rubellite) is a heart stone. High love expression. Strengthens wisdom and willpower enhances creativity. Green and pink is the best heart chakra healers. Releases old emotional pain and replaces with love. Black is protection from negative or heavy energies. Helps ground spiritual energies. Blue is cosmic love vibration.Our Price: $250.00 |
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