Authors: REINITZ IM FRITSCH E SHIGLEY JE

Citation: Im. Reinitz et al., AN OSCILLATING VISIBLE-LIGHT OPTICAL-CENTER IN SOME NATURAL GREEN TO YELLOW DIAMONDS, DIAMOND AND RELATED MATERIALS, 7(2-5), 1998, pp. 313-316

Authors: SHIGLEY JE

Citation: Je. Shigley, CURRENT CHALLENGES FOR THE GEMOLOGICAL ID ENTIFICATION AND QUALITY-GRADING OF GEM DIAMONDS, Geologia i geofizika, 38(2), 1997, pp. 569-574

Authors: LIU Y SHIGLEY JE FRITSCH E HEMPHILL S

Citation: Y. Liu et al., RELATIONSHIP BETWEEN THE CRYSTALLOGRAPHIC ORIENTATION AND THE ALEXANDRITE EFFECT IN SYNTHETIC ALEXANDRITE, Mineralogical Magazine, 59(394), 1995, pp. 111-114

Authors: TAGGART JE FOORD EE SHIGLEY JE

Citation: Je. Taggart et al., CHEMICAL-COMPOSITION AND STRUCTURAL FORMULA OF MANGANOAN SUGILITE FROM THE WESSELS MINE, REPUBLIC-OF-SOUTH-AFRICA, Mineralogical Magazine, 58(393), 1994, pp. 679-681

Authors: FRITSCH E SHIGLEY JE

Citation: E. Fritsch et Je. Shigley, CAUSES OF THE PURPLE AND PINK COLORS OF MANGANOAN SUGILITES FROM THE WESSELS MINE, SOUTH-AFRICA, Mineralogical Magazine, 58(393), 1994, pp. 681-685