Assuming this is calcite. Guesses on the matrix rock?
Based on scratch test I think this is calcite, though tbh I’m not great at IDing between calcite & quartz. Found in King County, WA. Any guesses on the host rock?
Based on scratch test I think this is calcite, though tbh I’m not great at IDing between calcite & quartz. Found in King County, WA. Any guesses on the host rock?