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Sapat Gali (Soppat; Suppat; Sumpat), Manshera, Naran-Kagan Valley, Kohistan District, North-West Frontier Province, Pakistan small cabinet, 6.1 x 3.7 x 3.5 cm
Robert Matthew "Rob" Lavinsky, proprietor of The Arkenstone mineral dealership, was born December 13, 1972 in Columbus, Ohio, the son of Richard Lavinsky, an attorney, and Marilyn Rosen, a dental hygienist. He began collecting calcite at age 13, with the support of many mentors in the Columbus Rock and Mineral Society, including Carlton Davis , field collectors John Medici and Henry Fisher, and dealers Neal and Chris Pfaff, among others. He competed with his calcites (which he still owns) for the first time at age 18 in the Berea, Ohio show. He eventually expanded his scope to collecting United Kingdom classics, Sweet Home mine rhodochrosite, and worldwide classics. As a field-collector he dug for minerals in the dolostone quarries and roadcuts throughout Ohio, Indiana, Kentucky (Halls Gap millerite), Ontario (Bancroft), and various other localities.