Select Montana Agate Cutting Rough This is select material with good translucency and patterning. Agate is a form of microcrystaline quartz. It is usually formed in nodules and has transparent, or translucent portions. As with all of the other species in the quartz family, agate takes a high polish with cerium oxide, but also takes a fine polish with tin oxide and diamond. Mohs hardness 6.5 to 7. Grade "A" Selected Montana Agate Rough SALE: $10.50/pound Locality: Montana Only $8.00/lb. for Bulk Orders over 50 pounds.
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