Approx Size: 1/2 to 2 inch size. (Current inventory is on the smaller size)
Rock/Mineral Info: A hydrated calcium borosilicate
Metaphysical Properties: Strengthens memory and stimulates desire for knowledge.
Very high quality rough material. Great color rocks that will polish well. Perfect size for a rock tumbler. You will have great results with our tumble mixes, only the best quality is selected for each order.