Chalcedony is a cryptocrystalline variety of silica composed of two minerals, quartz and moganite (silicon dioxide). This sample comes from Erfoud, Mo

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Chalcedony is a cryptocrystalline variety of silica composed of two minerals, quartz and moganite (silicon dioxide). This sample comes from Erfoud, Morocco.

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Size: 6016px × 4016px
Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: chalcedony, close, cryptocristalline, dioxide, erfoud, geology, mineral, mineralogy, moganite, morocco, quartz, sample, silica, silicon, translucid