Echinodermata - Fossil pattern Approximate size for 1 sphere:

Approximate size for 1 sphere: 10cm Approximate weight for 1 sphere: 1392g

These hammers are the best quality available

Approximate weight of 1 pc: 875g

Country of Manufacture: British Columbia

Approximate Weight of 1 piece: 20g

Echinodermata - Fossil pattern Approximate size for 1 sphere:Origin: Muskogee County, Oklahoma, USA Era: Pennsylvanian Lower Geological Age: 300 mya Description: Echinodermata (Blastoidea) Size approximately: 18mm x 18mm x 16mmWeight: 8g Pieces: 1 We do our best to buy quality products although not every rock is the same. If you choose to purchase the "staff pick option", we will select the best of the batch for you. Otherwise, it will be at random from the larger batch we have in stock.