+3 Feldspar on Quartz Double Sided Q-197 400000032573 $135.00 In stock Quantity: 1 Add to Bag Product Details Unique specimens from Resplendor Mine, Minas Gerais, Brazil, displaying quartz crystals in one side and feldspar on the other side.It measures 5 1/2 inches wide by 6 inches tall. Save this product for later Favorite