This rock was found in the highlands of Scotland in the mountains.It is 2 1/2''x2 1/8''x 1'' it has a density of 2.95 leaves a clear streak weighs 130 grams and a hardness of 6 on Moh's scale.This rock also contains tiny Pyrite crystals in different places.
closed as off-topic by user12525, trond hansen, uhoh, Fred, Erik Sep 4 at 7:40
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- "Questions about rock identification requests are off-topic. For more information, see the announcement on meta." – Community, trond hansen, uhoh, Fred, Erik