Search results
Results From The WOW.Com Content Network
Intergem's strategy resulted in large numbers of gem professionals visiting Yogo Gulch. [80] Intergem began planning to dig even deeper into the Yogo dike, which held more known reserves than all the world's other known sapphire deposits combined, albeit deep underground rather than near the surface in the manner of the other known deposits. [83]
It is a CCGT-type power station that uses natural gas.It has two Alstom 260MWe GT26A gas turbines, with an Alstom heat recovery steam generator each that produces steam for one ABB 280MWe steam turbine.
For more than 20 years now, the International Trade Fair for Gemstones, Gemstone Jewellery and Gemstone Objects (“Intergem”) has been held in Idar-Oberstein. The fair takes place at the Jahnhaus in the constituent community of Algenrodt, although as of 2008, a move to the planned exhibition hall in the new Nahetal commercial park (former US ...
When Intergem Limited began marketing the Yogo in the 1980s as the world's only guaranteed untreated sapphire, heat treatment was not commonly disclosed; by the late 1980s, heat treatment became a major issue. [34] At that time, much of all the world's sapphires were being heated to enhance their natural color. [43]
Overview of the Tucson Gem and Mineral Show, Tucson Convention Center, 2011 Tsumeb dioptase, 2007 show Protoceratops and Velociraptor fossil replicas, 2007 show The Tucson Gem, Mineral & Fossil Showcase are gem and mineral shows that take place annually in late January and February at multiple locations across the city of Tucson, Arizona.
This article uses bare URLs, which are uninformative and vulnerable to link rot. Please consider converting them to full citations to ensure the article remains verifiable and maintains a consistent citation style.