Paraiba Tourmaline Options
, the sodium iron (divalent) endmember from the team. It may well account for ninety five% or maybe more of all tourmaline in nature. The early historical past of the mineral schorl demonstrates which the name "schorl" was in use previous to 1400 since a village known today as Zschorlau (in Saxony, Germany) was then named "Schorl" (or slight varian