Why the Fantasia Brand: Fantasia Mining is a USA company located in Massillon Ohio, with a 90,000 sq ft warehouse and over 2,000,000 lbs of stones and stone products in stock. We have been in business since 2010 providing stone related products to stores around the world, and as mine owners ourselves, we care very deeply about the quality of the products that we provide. The Fantasia brand of rough Pyrite Chispa is 100% natural, unheated, untreated, and imported directly from our partner mine in Peru. Stone Size: 0.25" to 0.5" avg. Pieces per lb: 125+ pieces avg. Color: Gold The sizes, pieces per lb, and colors are averages. It is possible to get pieces outside this range, or with other variances in shapes, color shades, patterns, clarity, translucency, number of pieces or other characteristics which can vary each time natural stones are mined.