Everything about Paraiba Tourmaline
, the sodium iron (divalent) endmember from the group. It might account for ninety five% or maybe more of all tourmaline in mother nature. The early heritage in the mineral schorl displays that the name "schorl" was in use before 1400 due to the fact a village regarded these days as Zschorlau (in Saxony, Germany) was then named "Schorl" (or slight