AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Brazil > Quartz var. Iris Agate

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Quartz var. Iris Agate from Rio Grande do Sul, Brazil

 
Quartz var. Iris Agate from Rio Grande do Sul, Brazil

DESCRIPTION:No. 50045
Mineral:Quartz var. Iris Agate
Locality:Rio Grande do Sul, Brazil
Description:Thin section of iris agate polished on front and rear to highlight the rainbow diffraction colors when illuminated from a point source. The iris effect could not be photographed and must be seen in person to appreciate. Ex. Peter B. Nalle (1923-2010) collection #124
Overall Size:45x36x1 mm
Crystals:
Status: Sold - Posted here for reference only
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