Rhodochrosite
Rhodochrosite has been used as an ornamental material for carvings, beads and inlays due to its low hardness, for a very long time. Beautiful pink color contrasting with white banding in massive form is the…
Gem NotesConference Review: World Of Gems Conference 2017
International Gem Appeal: The Fifth World of Gems Conference brought together some of the most well respected individuals in global gemology to share news and critical analysis with jewelers, gemologists, appraisers and other members of…
ConferencesDiamond Market – November 2017
Polished market prices slip as rough prices increase. Outlook remains positive in North America but slow in other international markets. DeBeers to spend $140 million on marketing. We are in the midst of a market in…
Diamond MarketThe Rarity of Tanzanite
In 1967, blue-violet crystals of the mineral species, zoisite, were discovered south of Mount Kilimanjaro in northeast Tanzania. The host rocks of the discovery, which are orders of magnitude older than Africa’s highest mountain, form…
Featured ArticlesGemworld featured on Worldwide Business with Kathy Ireland
Gemguide/Gemworld featured on Worldwide Business with Kathy Ireland® to discuss their industry leading gem pricing & market information. What are the current trends that make it difficult to evaluate gems? https://vimeo.com/145307118?share=copy…
*Free Featured ArticlesGem Market Pulse September 2017: Felspar
Many dealers are looking toward the September Hong Kong Show Featured Stone: Feldspar Group Gems The cautious optimism expressed by some dealers after the June Hong Kong show has eroded to an inexplicable sense of malaise about…
*Gem Focus & Market Pulse (Free Subscriber)Gem Market Pulse August 2017: Irradiated Diamonds
Typical summertime business in the gem market Featured Gem: Irradiated Diamond Dealers are cautiously optimistic about coming holiday season while experiencing the typical summertime business after better than expected Hong Kong Show in June. East Africa…
*Gem Focus & Market Pulse (Free Subscriber)The Gem Trade of Tanzania
Tanzania is host to a vibrant gem trade. The country, like its East African neighbors, is rich with mineral deposits, many of which are relatively recent discoveries. For miners and traders, the wealth inherent in…
Featured ArticlesDiamond Market
Just when we thought we could sit back and enjoy a cool drink on the deck with friends this summer the market news has exploded. A mining company take over, workers are missing in a flooded…
Diamond Market