Polymict Impact Breccia | 163 Grams | Azuara Impact Structure, Spain NWA 4293 This extremely rare specimen will

This extremely rare specimen will come protected in its specimen display box with a Canagem Specimen Mineral Card

and to effectively reduce stress

Mexico are renowned for their classic crystal shape and attractive yellow-green coloration

This is from Tanco mine

and regulating it

Polymict Impact Breccia | 163 Grams | Azuara Impact Structure, Spain NWA 4293 This extremely rare specimen willThe 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