Oregon No. 2 pegmatite, South Platte Pegmatite Mining
Oregon No. 2 pegmatite, South Platte Pegmatite Mining District, Jefferson Co., Colorado, USA. Fine grained aggregate 9x7x4.5cm This is the alteration material from the allanite that occurs here. According to the work done on these pegmatites, this is the result of late stage magmatic solutions. Basically a whole lot of mysterious processes have occurred to create this very bizarre result. I





































