vugnasmineralblog: Agate Agouim, Ouarzazate Province, Drâa-Tafilalet Region, Morocco Fun fact:
vugnasmineralblog: Agate Agouim, Ouarzazate Province, Drâa-Tafilalet Region, Morocco Fun fact: the stereotypical banding pattern seen in agate (like above) is due to alternating layers of quartz and chalcedony! -- source link
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