Considerations To Know About Paraiba Tourmaline
, the sodium iron (divalent) endmember in the group. It may account for 95% or more of all tourmaline in nature. The early record with the mineral schorl displays which the title "schorl" was in use before 1400 simply because a village known now as Zschorlau (in Saxony, Germany) was then named "Schorl" (or minor variants of this identify), plus the