Check the listing for details. biggs jasper rough 2lbs. 10oz.. Condition: New. Listed at 40.00 USD. The product is Biggs Jasper rough, which is a type of stone that is commonly used in lapidary work for creating cabochons. This stone is known for its unique and colorful patterns, making it a popular choice among collectors and hobbyists. The rough material is ideal for those looking to work on their lapidary skills and create their own custom cabochons.