Alcatraz Penitentiary - SOLD 2.60" Showcase Concrete mmj-hq-kk which measures 3

which measures 3

underwater habitat

The opal fields here date to the Cretaceous when Central Australia was home to an enormous inland sea

way better than a fidget spinner

the animal reacts by coating the object with layers of aragonite and calcite

Alcatraz Penitentiary - SOLD 2.60" Showcase Concrete mmj-hq-kk which measures 3This is an authentic piece of concrete from Alcatraz Penitentiary. Yes, an actual piece of The Rock!" This particular specimen measures 2. 60" along the widest point. This specimen, from the famous Alcatraz Island, saw some 1,500 prisoners pass by it during the prison's operation. A certificate of authenticity is included.