White Rabbit Brooch Prehistoric Woolly Mammoth Tusk Jewelry Rare Unique Fossil Woolly Mammoth Jewelry Prehistoric Fossil Woolly Mammoth Brooch Enjoy this White Rabbit Brooch made of prehistoric fossilized woolly mammoth ivory. 10 x 7 cm (4" " x 2 3/4") These gorgeous hand carved, round bead necklaces are made of rare prehistoric mammoth ivory. Each necklace is unique and ranges in shades from light cream, light, medium and dark chocolate browns. There may be slight variations in the color of the ancient mammoth ivory from the jewelry piece pictured. Prehistoric woolly mammoth ivory is anywhere from 10,000 to 200,000 years old, and is found in Arctic regions such as Alaska, Canada, Chukotka (or the Chuckchi Penninsula), Yakutia, Magadan and Siberia where the tusks have been preserved in the permafrost. Mammoth ivory tusk material contains unique Schreger lines (cross hatching pattern) that intersect at approximately 90 degrees or, on average, below 100 degrees at outer angles. This fossil material consists of hues of cream, tan, or chocolate brown. Rarely, mammoth ivory and teeth may have shades of blue or green, which is caused by the mineral, Vivianite that surrounded and protected the mammoth material over time. These massive tusks are unearthed many ways; modern day gold miners dredge up mineralized remains in the course of placer mining activities, spring floods wash tusks from frozen river banks, bush pilots spot the huge tusks jutting out of the tundra, and Eskimo subsistence hunters find mammoth remains incidentally in their daily task of survival. Regardless of discovery, Ivory Jacks mammoth ivory is mined in accordance with all applicable federal and state regulations. Each tusk is unique and can come in dark browns, tans, blues "blue ivory", and even greens, which is very rare. The color of the tusk depends on where the tusk was found and the types of minerals that were present in the soil. Mammoth tusks are very large and can weigh up to 300 pounds each and measure over 16 feet in length, a true testament to Alaska's grandeur and ancient history. CARE OF: Ivory Jacks genuine prehistoric woolly mammoth ivory and fossil ivories can last a long time with proper care. Always avoid contact with water, liquids, and harsh detergents. Do not, for example, submerge in jewelry cleaning liquids, and always take off your jewelry when washing your hands or going for a swim, for instance. Always avoid extreme hot, cold, or dry climates. To clean your fossil ivory jewelry, apply a small amount of unscented mineral oil to your piece and buff dry with a clean white cloth. Don't miss out on the opportunity to own a truly unique piece - buy now and embrace your individuality! It is just a stunning accessory that will make your look brighter. Buy unique and feel unique!