| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Idaho > Mordenite with Heulandite-Ca |
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| DESCRIPTION: | No. 36512 |
| Mineral: | Mordenite with Heulandite-Ca |
| Locality: | Rat's Nest Claim, near Challis, Custer County, Idaho |
| Description: | Plate of brown basalt completely covered entirely with fine hair-like white mordenite crystals up to 10 mm long with a few pink heulandite crystals up to 10 mm mixed in. These delicate specimens are rarely collected at this windy locality. |
| Overall Size: | 8x6x4 cm |
| Crystals: | 5-10 mm |
| Archived: | For reference only |
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