Blue chalcedony is a cryptocrystalline variety of silica composed of two minerals, quartz and moganite (silicon dioxide). This sample comes from Malaw

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Blue chalcedony is a cryptocrystalline variety of silica composed of two minerals, quartz and moganite (silicon dioxide). This sample comes from Malawi.

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Size: 4256px × 2832px
Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: blue, chalcedony, close, cryptocristalline, dioxide, geology, malawi, mineral, mineralogy, moganite, quartz, sample, silica, silicon