Garnierite
Riddle Mine, Riddle, Riddle Mining District, Douglas County, Oregon, USA
4.1 x 2.4 x 2.3 cm. This is a heavy rich specimen of garnierite. Apparently under modern reclassification this is no longer a species. It is considered a mix of green nickel minerals formed from weathering and may consist of williamseite, nepouite, and pimelite. Ex. John White Collection.
© Rob Lavinsky & irocks.com