Gemstone irradiation produce mixtures of blue and yellow-to-brown colors, so heating is required as an additional procedure to remove the yellowish color. In some cases, the new colors induced by artificial irradiation may fade rapidly when exposed to light or gentle heat, so some laboratories submit them to a "fade test" to determine color stability. Sometimes colorless or pink beryls become deep blue upon irradiation, which are called Maxixe-type beryl. However, the color easily fades when exposed to heat or light, so it has no practical jewelry application. Gemstone irradiation The gemstone irradiation is a process in which a gemstone is artificially
Aquamarine Power Renewable Energy Association. It also got Innovation Award for Energy of the Engineer Technology and Innovation Awards 2009 and Scottish Green Awards for the Best Green Industry SME. In 2010 it was listed on GlobalCleantech 100 list. On 28 October 2015, BBC News reported that Aquamarine Power had called in administrators. No buyer was found and less than a month later, on 20 November, the company ceased to trade with the loss of fourteen jobs. Aquamarine Power Aquamarine Power was a wave energy company, which was founded in 2005 to commercialise a wave energy device concept known as the Oyster