Tourmaline (මාංගු) පහසුවෙන් සොයගතහැකි මැණික් වර්ගයක් වන අතර බහුලව හමු වන්නෙ පිටට එලියක් නොමැති මැණික් ලෙසය. මෙම මැණික් වර්ගය ඉතා ආකර්ෂණීය වර්ණවත් ලෙසටද හමුවේ.
ලයිට් මංගු, කලු මංගු බහුලව හමුවේ.
බොහොමයක් ඒකාක්ෂව එලිය විහිදෙන ගල් ලෙස හමුවේ .
මෙහිදී විස්තර කිරිමට බලාපොරොත්තු වන්නේ කලු මාංගු හෙවත් Schorl (ෂෝර්ල්)/ block tourmaline කියන මැණික් වර්ගයි.
මෙහි දැලිස ( ස්ඵටික රූපය ) සයකොන් ඇතිව බහුලව පිහිටයි. නැත්නම් ප්රිස්ම හඩයට ටදිගට පිහිටයි .බොහොමයක් මතුපිට ඉරි පවතින අතර සාමාන්යයෙන් රවුම් ගල් ව්දිහටද හමුවේ .
මෙහි දැඩි බව 7 – 7.5 අතර අහයක් ගනිති.
මෙය තද කළු , පාර අන්ද මැණික් වර්ගයක් වන අතර එහි දෑලිස සය අනතිව හෝ ප්‍රිස්මාකාර් වේ. බහුලව සදහන් කරන ලද ස්ඵටික රූපියව හමු වන අතර වෙනත් ආකාරයටද පැවතය හැක.
මෙහි රසායනික සූත්‍රයNa(Fe,Mn)3Al6B3Si6O27(OH)3(OH,F)
For Buy (: schorl /http://rawgems.lk/product/black-tourmaline-schorl/)
Black Tourmaline is a very popular form of Tourmaline but did you know that it is actually its own mineral. The correct mineralogical name for black Tourmaline is Schorl. Tourmaline is actually the name given to an entire family of individual minerals that are closely related.
While other types of Tourmaline might be found as a dark black color, Schorl is only found in black. Unlike other forms of Tourmaline it is never transparent or even translucent, it is only ever found as solid black Tourmaline.
(Read more : https://www.gemrockauctions.com/learn/holistic-gemstone-information/black-tourmaline)
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