Analcime : Na(AlSi2O6)·H2O
As recorded:
Rat's Nest claim, Challis, Bay Horse Mining District, Custer County, Idaho, USA
Photo added to mindat.org
“Colorless analcime microcrystals in the 2-3mm range. Recovered from a small hill a short distance from the main Rat's Nest workings.”
Chris Tucker - 10th November 2006
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