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Prehnite
Knife River, St. Louis County, Minnesota, USA
19.5 X 10 X 10 cm approximately
This orange prehnite shows partial casts after laumontite, the largest cast is about 2 cm. The prehnite glitters with gold and some blue iridescence. (Author: John Nash)
| Dimensions: | 750 x 498 |
| File size: | 44.8 kbytes |
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