Stones Tumbled in Brazil - Quality Control, Weighing, Packaging and all other aspects of this product produced in the USA. 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 tumbled Black Tourmaline is 100% natural and imported directly from our tumbling factory in Brazil. Grade: A Stone Size: 0.25" to 0.75" per piece avg. Pieces per lb: 100+ pieces avg. Color: Black 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.