Calcite
Irai, Rio Grande do Sul, Brazil
5.3 x 8.6 cm.
Frosty scalenohedral calcite crystals with micro-stepped prism faces on a thin rind of basalt. Fluorescent pink under SW UV illumination. (Author: crosstimber)
Dimensiones: | 800 x 517 |
Tamaño fichero: | 41.06 kbytes |
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