Abstract

Previously unpublished information has been obtained concerning the discovery of the mineral and its geological setting in the Sullivan Mine, Kimberley, British Columbia. Between 1945 and 1951, chemical, optical and X-ray studies were made by A.C. Freeze and R.M. Thompson of the mineral they tentatively identified as friedelite. These mineralogists believed that the mineral somehow differed from friedelite, but they lacked the crystallographic evidence to establish it as a new mineral.--Modified journal abstract.

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