Home Education From the Gem & Mineral Vault EducationGems & MineralsMuseum CollectionsOriginal Content for the Roskin Report From the Gem & Mineral Vault December 8, 2022 FacebookWhatsAppLinkedin Rhodochrosite from Peru on view at the Harvard Mineralogical & Geological Museum (MGM), Cambridge, Massachusetts, across the Charles River from Boston. Photo by Gary Roskin MUST READAll AllAntique & Estate GemsAntique & Estate ShowsAuctionsCelebrities Wearing GemsColored GemsDIamondsEducationFancy Color DiamondsFeatured NewsGem & Jewelry ConferencesGem & Jewelry ShowsGem LabsGems & MineralsGemstone EnhancementLists of Gem MaterialsMineralsMiningMuseum CollectionsOn a personal noteOriginal Content for the Roskin ReportPearlsPhotographySchoolsTrade NewsTrade ShowsTradeshow CalendarTrends Future of Opal Mining Remains Up in the Air: Recommendations On... News - January 23, 2025 Following up on a feature story in Australia's Mining Monthly magazine, Jeweller Magazine reports that "Debate over the future of opal mining in New... Sotheby’s Hong Kong : Important Jewels January 23, 2023 Dolce & Gabbana: Alta Gioielleria 2023 / Unheated / Untreated November 9, 2023 BULGARI | TIME IS A JEWEL February 8, 2023 POPULAR CATEGORYTrade News903Featured News836Colored Gems316Education311Trends271DIamonds231Gems & Minerals204