Mexican Aragonite labradorite The MacDonald Encyclopedia of Fossils

The MacDonald Encyclopedia of Fossils

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Systematic position of the cave lion Panthera spelaea (Goldfuss)

Vereshchagin

Mexican Aragonite labradorite The MacDonald Encyclopedia of FossilsApprox. dimensions: 6. 5" x 5" x 2. 5" Aragonite is a common carbonate mineral. It is unfortunately often thought of as the poor cousin to calcite. But aragonite is an interesting and attractive mineral in its own right. It forms interesting habits and can have a soft pretty color. Its modes of formation and relationship to calcite are both curious and intriguing. Aragonite is a polymorph of calcite, which means that it has the same chemistry as