Porhory - Notice the squarish feldspar crystals known as phenocrysts. From a Fraser River bar.
Chalcopyrite - This specimen is from the old Britannia Beach copper mine, where the author once worked.
Galena Minerals - Galena is a lead mineral from the Kootenays, BC.
Stream beds are an excellent source for mineral collecting as rock from miles around is washed down to river bars, creating a great variety of specimens.