18 lb 14 Museum Clear Laser Quartz Cluster. The very best laser quartz cluster! X 11.5 x 8 in. The item "18 lb 14 Museum Clear Laser Quartz Cluster, Minas Gerais, Brazil! Q1472" is in sale since Saturday, December 27, 2014. This item is in the category "Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Display Specimens". The seller is "mineralmatrix" and is located in Plano, Texas. This item can be shipped worldwide.