Robuta

https://www.scirp.org/reference/ReferencesPapers?ReferenceID=1555695 Leake, B.F. (1978) Nomenclature of Amphiboles Amer. Mineralogical Magazine, 63, 1023-1052. -... Leake, B.F. (1978) Nomenclature of Amphiboles Amer. Mineralogical Magazine, 63, 1023-1052. https://uwaterloo.ca/earth-sciences-museum/resources/detailed-rocks-and-minerals-articles/amphiboles Amphiboles | Earth Sciences Museum | University of Waterloo Back to Rocks and Minerals Articles Kathy Feick earth sciences museumuniversity ofamphiboleswaterloo https://www.astm.org/membership-participation/technical-committees/workitems/workitem-wk92083 WK92083 - New Classification for Classification method to determine a habit of amphiboles based on... ASTM International - Standards Worldwide