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An orange diamond is a gemstone distinguished by its intense orange hue, a rare fancy-color variation of diamond. These stones are notable for their exceptional color saturation and scarcity, often exhibiting a pumpkin-like appearance. Orange diamonds are prized by collectors, jewelry designers, and...
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Rare zinc arsenate mineral forming bright yellow monoclinic crystals; first described in 1932, with the finest known examples from the Ojuela Mine in Mapimí, Mexico.
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A calcium aluminum oxide mineral of the magnetoplumbite group first described in 1956 from Madagascar, significant for its occurrence in meteorites and calcium-aluminum-rich inclusions.
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