Kimberlite Diamond (brand) Kimberlite Diamond (brand) Kimberlite Diamond () is China's first diamond jewellery manufacturer and retailer with a nationwide sales network. Kimberlite Diamond was founded in 1995 and the brand is China's first diamond-based retailing jewelry company. In 1997, the brand reached a "Quality Appraisal Agreement" with the HRD (Belgian High-level Diamond Council) which gave local Chinese consumers confidence. In September, 1998, the brand became a member of the Gems & Jewelry Association of China. In 2007, Kimberley Diamond Design Work "SOPRANO (Soprano)" was one of the finalists for the "Opera Night" Diamond Design Competition in the HRD AWARDS 2007 held by
Volcanic rock common volcanic rock with low silica content. Rhyolite is a volcanic rock with high silica content. Rhyolite has silica content similar to that of granite while basalt is compositionally equal to gabbro. Intermediate volcanic rocks include andesite, dacite, trachyte, and latite. Pyroclastic rocks are the product of explosive volcanism. They are often felsic (high in silica). Pyroclastic rocks are often the result of volcanic debris, such as ash, bombs and tephra, and other volcanic ejecta. Examples of pyroclastic rocks are tuff and ignimbrite. Shallow intrusions, which possess structure similar to volcanic rather than plutonic rocks, are also considered to be