Beloretsk quartz, jasper, agate, calcite, obsidian, aventurine, jasper, rhodonite, silver and gold-plated silver. Aventurine glass, also known as goldstone glass, is translucent brownish with metallic (copper) specks. Although it was known first, goldstone is now a common imitation of aventurine and sunstone. In the center of the hall sits a lapidary vase made of aventurine from 1842. On 18 September 2012, Aventurine announced Darkfall Unholy Wars. The collection sold for $451,000 and a tureen with an aventurine decoration sold for $55,000. About a month later he presented the result to the Aventurine CEO. The name aventurine is used because it was discovered accidentally. The words "aventurine" and "aventurescence" derive from the Italian "a ventura", meaning "by chance". The name "aventurine" derives from the Italian "a ventura" meaning "by chance". It was also reported by Aventurine that there were problems with the pre-order system. On 2 July 2012, Aventurine released the Ultimate Promotion patch. He later founded Aventurine in 2013, a venture capital company specializing in intellectual property. On 25 April 2011, Aventurine changed hosting locations to Chicago to improve server stability.