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Quartz var. amethyst
Irai, Rio Grande do Sul, Brazil
5.8 x 9.3 cm.
Pale amethyst crystals sprinkled with dark green to black blebs of goethite and colorless scalenohedral calcite crystals. (Author: crosstimber)
| Dimensions: | 800 x 520 |
| File size: | 72.69 kbytes |
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