Breadcrumbs Staff Directory Dave Richerson Dave Richerson Volunteer Mineralogy Specialist minerals@nhmu.utah.edu Featuring Dave Richerson January 13, 2026 Mineralogy Education What Is Utah's State Gemstone? Learn all about Utah's state gemstone, topaz, from Dave Richerson, a mineralogy specialist at NHMU. September 12, 2023 Mineralogy Collections What is Calcite Learn more about the mineral calcite from experts at the Natural History Museum of Utah. December 24, 2021 Mineralogy Collections Fluorite of Utah and Beyond Learn more about Fluorite from Utah and beyond. September 16, 2021 Mineralogy Collections What is Tourmaline? Lean more about the mineral tourmaline from a mineralogy expert at the Natural History Museum of Utah. Pagination Page 1 Page 2 Next page Next › Last page Last » View All Posts
January 13, 2026 Mineralogy Education What Is Utah's State Gemstone? Learn all about Utah's state gemstone, topaz, from Dave Richerson, a mineralogy specialist at NHMU.
September 12, 2023 Mineralogy Collections What is Calcite Learn more about the mineral calcite from experts at the Natural History Museum of Utah.
December 24, 2021 Mineralogy Collections Fluorite of Utah and Beyond Learn more about Fluorite from Utah and beyond.
September 16, 2021 Mineralogy Collections What is Tourmaline? Lean more about the mineral tourmaline from a mineralogy expert at the Natural History Museum of Utah.
