Tucson 2012 Colored Stones and Organic Materials Aquamarine from Mavuco, Mozambique Azurite in Granitic Rock from Pakistan Cat's-Eye Emerald from the Belmont Mine, Brazil New Production of Purple Common Opal from Mexico Rare Stones Used in Jewelry: Smithsonite, Cobaltite, Pyrrhotite, Nickeline, Nuummite Rosalinda: A New Ornamental Scapolite Rock from Peru Vlasovite from Quebec Synthetics and Simulants "Sterling Opal" Debuts Bicolored Tourmaline Imitation Conference Reports U.S. Faceters Guild Seminars Miscellaneous Meteorite Watches GNI Regular Features Diamonds Diamond Mining to Resume at Birim River, Ghana Colored Stones and Organic Materials Iris Agate from Montana Black Cassiterite Diopside from Kenya Emerald Mining in Mingora, Pakistan Dark Yellowish Green Enstatite from Kenya New Gem Discoveries in Ethiopia Burmese Spessartine Synthetics and Simulants Enameled Jewels in the Chinese Market Geikielite from Sri Lanka with Fake Star Effect Treatments A Dyed Blue Opal with Play-of-Color Conference Reports Mines to Market Conference Gem-A Conference 2011 Miscellaneous Gem News from Myanmar To view the full section, download the PDF above.
Tucson 2012 Colored Stones and Organic Materials Aquamarine from Mavuco, Mozambique Azurite in Granitic Rock from Pakistan Cat's-Eye Emerald from the Belmont Mine, Brazil New Production of Purple Common Opal from Mexico Rare Stones Used in Jewelry: Smithsonite, Cobaltite, Pyrrhotite, Nickeline, Nuummite Rosalinda: A New Ornamental Scapolite Rock from Peru Vlasovite from Quebec Synthetics and Simulants "Sterling Opal" Debuts Bicolored Tourmaline Imitation Conference Reports U.S. Faceters Guild Seminars Miscellaneous Meteorite Watches GNI Regular Features Diamonds Diamond Mining to Resume at Birim River, Ghana Colored Stones and Organic Materials Iris Agate from Montana Black Cassiterite Diopside from Kenya Emerald Mining in Mingora, Pakistan Dark Yellowish Green Enstatite from Kenya New Gem Discoveries in Ethiopia Burmese Spessartine Synthetics and Simulants Enameled Jewels in the Chinese Market Geikielite from Sri Lanka with Fake Star Effect Treatments A Dyed Blue Opal with Play-of-Color Conference Reports Mines to Market Conference Gem-A Conference 2011 Miscellaneous Gem News from Myanmar To view the full section, download the PDF above.
