What Does Paraiba Tourmaline Mean?
, the sodium iron (divalent) endmember with the group. It might account for 95% or more of all tourmaline in nature. The early record of the mineral schorl reveals the name "schorl" was in use before 1400 due to the fact a village identified currently as Zschorlau (in Saxony, Germany) was then named "Schorl" (or minimal variants of this identify),