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Os interiores dos meteoritos são verdadeiros vitrais da natureza

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Slice thru an amethyst and calcite geode was discovered in Uruguay

Elbaite - Himalaya Mine, San Diego County, California, United States of America

Fluorite | Location: Eastgate Quarry, Weardale, Durham, UK Size: 4.9 x 4.6 x 4.9 cm Photo Copyright © viamineralia

This is how Magnetite sand aligns itself in the presence of a strong external magnetic field. There is a Neodymium magnet placed beneath the sample. Magnetite crystals from Talofofo Beach, Guam

Mottramite from Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia [http://img.irocks.com/new2011/UA38d.jpg]

Tourmaline - Santa Rosa Mine, Itambacuri, Doce Valley, Minas Gerais, Brazil Size: 8.6 x 5.1 x 2.9 cm

Calcite on Celestite - Clay Center, OH

Scheelite from Tae Wha, Korea