記者発表の検索結果
An Interesting Rose Quartz from Madagascar
A new find of rose quartz from Madagascar contained some unusual inclusions.
Demantoid Garnet with Giant Fluid Inclusion
Tucson: A Showcase of Colored Gemstone Innovation
Rare Natural Bicolor Diamond
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
Two Foraminifera-Like Objects Found in a Natural Saltwater Pearl
The Extraordinary Backstory of Natural Diamonds: A Diamond Is (and Has Been) Forever
Jewelry Development Impact Index
The Jewelry Development Impact Index (JDI), one of the initiatives from the second Jewelry Industry Summit in January 2017, has become the flagship project of the Minerals, Materials and Society (MMS) program at the University of Delaware. Patricia Syvrud, development manager of MMS, discussed the program, which she calls a “road map to responsibility.”
In Memoriam: Jean Claude Michelou
The gem and jewelry industry mourns the loss of one of its true leaders.
Fordite from the Corvette Assembly Plant
A New Method for Determining Gem Tourmaline Species by LA-ICP-MS
Presents a simplified but comprehensive classification of gem tourmaline species based on quantitative measurement of six common major elements.