The specimen is a large 12 pound double terminated quartz crystal, meaning it has a natural shape without any human intervention. Approximately 14 inches by 5 inches by 5 inches This unique and beautifully crafted my Mother Nature crystal is perfect for collectors healers or anyone interested in adding a rare and stunning piece to their home or office decor. Its natural beauty and unique shape make it a standout piece that is sure to be a conversation starter.