| CEO Co-Chairman of the Board David Herskowitz Director Jim Halperin Jim Halperin Co-Chairman Co-Chairman...CORPORATE OFFICERS R. Steven Ivy, Co-Chairman James L. Halperin, Co-Chairman Gregory J. Rohan, President...(purple), aragonite (light blue), calcite (red), and willemite (green). Not only that, but it is simply enormous...orange and green, testifying to the presence of willemite and calcite, with some sparkling crystals of zincite...FLUORESCENT ENGLISH FLUORITE Rogerley Mine, Weardle, Co. Durham, UK The famous Rogerley Mine in northern |
