2.8" Elephant Bird Aepyornis Maximus Egg Shell Specimen Late Pleistocene Madagascar Grape Agate Calcite is a calcium carbonate

Calcite is a calcium carbonate mineral (CaCO₃) with a hardness of 3 on the Mohs scale

Subsequent impact events excavated these deep-seated rocks and ejected them into space

This predator thrived in the Western Interior Seaway

while a prevailing theory posits the crest acted as a resonating chamber for sound production

2.8" Elephant Bird Aepyornis Maximus Egg Shell Specimen Late Pleistocene Madagascar Grape Agate Calcite is a calcium carbonateLocation: Madagascar Coast Weight: 0. 7 Ounces Dimensions: 2. 8 Inches Long, 2. 3 Inches Wide, 0. 15 Inches Thick Comes with a Certificate of Authenticity. The item pictured is the one you will receive. Lived during the Late Pleistocene and Holocene epochs. They are thought to have existed from around 43,000 years ago until their extinction approximately around 10001200 CE. The Elephant Bird, scientifically known as Aepyornis, was an enormous