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Mordenite from
Rat's Nest claim, Custer County, Idaho, USA
| Locality type: | Claim | |
| Classification | ||
|---|---|---|
| Species: | Mordenite | |
| Formula: | (Na2,Ca,K2)4(Al8Si40)O96 · 28H2O | |
| Comments: | Thanks to mindat member John Cornish, this locality has yielded many world class specimens of mordenite, and continues to set the standard for the species. | |
| Habit: | Thick crusts composed of millions of hair-like mordenite crystals. The crystals are very elongated and can easily reach 2 inches, and have grown subparallel next to each other, perpendicular to the matrix. | |
| Colour: | Individual crystals are colorless, but the general appearance of the mineral is white, due to the very many crystals right next to one another. | |
| Quality for species: | Excellent - world class for species or very significant. (!!) | |
| Significance: | Significant commercial deposit of this mineral. | |
| Abundance at site: | Very common | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Heulandite-Ca | 115 | |
| Heulandite Subgroup | 15 | |
| Calcite | 2 | |
| Quartz | 1 | |
| Data | ||
| Mineral Data: | Click here to view Mordenite data | |
| Locality Data: | Click here to view Rat's Nest claim, Custer County, Idaho, USA | |
| Photo Gallery | View Gallery (6 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 46777 | |
| Long-form Identifier: | 1:3:46777:3 | |
| GUID (UUID V4): | 0 | |
| References | ||
Rat's Nest claim, Custer County, Idaho, USA