Tourmaline is named from a Sinhalese word " touramalli " meaning " mixed colored stones " This jewel is 7 to 7.5 on the Mohs hardness scale Tourmaline is also in the interest of many scientists.
because when heated, changing its electrical charge. it becomes a polarized crystalline magnet and can attract small light objects. Before science could explain this property realized long ago and tourmalines were called " aschentrekkers " to Netherlands, as it attracted ashes and could be used to clean the pipes .
Tourmaline is available in a variety of colors ranging from dark brown , medium brown , yellow, black or blue , lime green dark forest green, neon blue on blue, red and reddish purple , pink and colorless. Multicolored tourmalines and two colors are pink at one end and the other green , watermelon tourmaline is pink inside and green outside . Some stones are dichroic meaning that when viewed from different angles , which appear in different colors. Rubellite pink , green and blue tourmalines Verdelite indicolite are more expensive.
Indicolite is a dark blue black stone. The Rubellite stone deep reddish purple and Paraiba is a bright blue neon effect . Chrome Tourmaline is colored by chromium, is often confused with emerald or tsavorite garnet because of its beautiful green. Eye " cat eye " effects of Tourmaline cat similar to those seen in tiger eye cabochons . Piping exhibition is the name given to the black tourmaline ( the most abundant tourmaline ) .
Many of these "jewels" used in the Russian crown jewels of the 17th century are actually tourmalines . The last empress of the Qing Dynasty both loved this gem stones she bought huge amounts of new mines opened in California. Almost every color of tourmaline can be found in Brazil , Minas Gerais and Bahia special .
In addition to Brazil , tourmaline is also mined in Kenya , Tanzania, Madagascar , Sri Lanka , Afghanistan , Pakistan , Mozambique , Namibia and California and Maine in the United States . American National Association of Jewelers adopted tourmaline stones as the official birth stone for October 1912. It is also the birthstone for the zodiac sign of Leo and the gem chosen for the eighth anniversary.
because when heated, changing its electrical charge. it becomes a polarized crystalline magnet and can attract small light objects. Before science could explain this property realized long ago and tourmalines were called " aschentrekkers " to Netherlands, as it attracted ashes and could be used to clean the pipes .
Tourmaline is available in a variety of colors ranging from dark brown , medium brown , yellow, black or blue , lime green dark forest green, neon blue on blue, red and reddish purple , pink and colorless. Multicolored tourmalines and two colors are pink at one end and the other green , watermelon tourmaline is pink inside and green outside . Some stones are dichroic meaning that when viewed from different angles , which appear in different colors. Rubellite pink , green and blue tourmalines Verdelite indicolite are more expensive.
Indicolite is a dark blue black stone. The Rubellite stone deep reddish purple and Paraiba is a bright blue neon effect . Chrome Tourmaline is colored by chromium, is often confused with emerald or tsavorite garnet because of its beautiful green. Eye " cat eye " effects of Tourmaline cat similar to those seen in tiger eye cabochons . Piping exhibition is the name given to the black tourmaline ( the most abundant tourmaline ) .
Many of these "jewels" used in the Russian crown jewels of the 17th century are actually tourmalines . The last empress of the Qing Dynasty both loved this gem stones she bought huge amounts of new mines opened in California. Almost every color of tourmaline can be found in Brazil , Minas Gerais and Bahia special .
In addition to Brazil , tourmaline is also mined in Kenya , Tanzania, Madagascar , Sri Lanka , Afghanistan , Pakistan , Mozambique , Namibia and California and Maine in the United States . American National Association of Jewelers adopted tourmaline stones as the official birth stone for October 1912. It is also the birthstone for the zodiac sign of Leo and the gem chosen for the eighth anniversary.
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