Polymict Impact Breccia | 122 Grams | Azuara Impact Structure, Spain Vanadinite is the major ore mineral

is the major ore mineral of molybdenum

This piece displays extremely well and is a very desirable type as many research organizations are always on the look out to find more for their research

or fluorescent light

Size: 11x9mm

Polymict Impact Breccia | 122 Grams | Azuara Impact Structure, Spain Vanadinite is the major ore mineralThe 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 polymict impact breccia was found in the area of Santa Cruz de Nogueras 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