A specimen of crocidolite sitting on a black sheet of paper. It is mostly solid but you can see fibers coming off the side of the specimen.
A small rock with yellow specks of carnotite dusting its surface. Itβs sitting in a black box on a black sheet of paper.
A white rock (possibly quartz) with small areas of native silver dotting its surface. The rock is sitting on a piece of black paper.
A large rock with small pink crystals dotting its surface.
Some recent additions to my rock collection. Crocidolite aka blue asbestos, carnotite (radioactive), native silver, and raspberry grossular garnet. #hevrocks