ROBERTO DE GUGLIEMO / SCIENCE PHOTO LIBRARY ROBERTO DE GUGLIEMO / SCIENCE PHOTO LIBRARY
Crystals of apatite (creamy white) embedded in calcite (white). The name apatite refers to a number of minerals of different compositions, including various metal phosphates, arsenates and vanadates. This specimen measures 13 x 8 cm and was found in Serrana's Mine, Jacupiranga, Brazil.
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