These, seemingly formless, Calcite crystals, that have obvious rhombohedral terminations, caught my eye some years ago, in a little out of the way rock shop in Anchorage. They are from Irai, Rio Grande do Sul, Brazil and average about 1 1/4" x 3/8" (3.18cm x 0.95cm) (Author: Jim Prentiss)
Dimensions: | 600 x 450 |
File size: | 40.49 kbytes |
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