Search Results for: Waters other than mineral and aerated
vacancy; y = fe +, mg +, mn +, al +, li +, fe +, and cr +; z = al +, fe +, mg +, and cr +; t = si +, al +, and b +; b = b +; v = oh – and o –; and w = oh –, f –, and o –. most compositional variability occurs at the x, y, z, w, and v sites. tourmaline species are defined in accordance with the dominant-valency
associated with mineral classification schemes that should be elucidated. mineral species (minerals) are defined on the basis of their unique chemical and crystal- lographic properties (nickel and grice ). in most cases tourmaline-supergroup minerals are isostructural (space group r m), with the exceptions...
https://rruff.info/uploads/AM96_895.pdf