It consists of lead carbonate which crystallizes in the orthorhombic system

Approx Weight (per piece): 51

Weight:   15

for his work at mapping Western Australia

a feature unique to stone meteorite

Polymict Impact Breccia | 163 Grams | Azuara Impact Structure, Spain Wolframite It consists of lead carbonateThe Azuara polymict impact breccia refers to the impact material from the 38 million year old twin (multiple) impact structures Azuara Rubielos de la Cerida in Northern Spain. This impact breccia was found in the area of the village of Fuendetodos near the center area of this large multiple impact structure. This is partly melted and or decarbonized limestone fragments in a dense and extremely hard matrix showing flow texture. The breccia is