Amazoncom Portable Rock Crusher Gold Mining Equipment
TECHTONGDA Hammer Crusher Hammer Rock Crush Machine Electric Stone Shatter Grinder 220V. ... This rock crusher does a fine job. It will crush small 2 in. X 2in. rocks into dust in a matter of a minute. ... I took it down to Chile, this and my XRF gun allows on site exploration. Highly recommended to anyone in geology or mining.