Clinoptilolite Subgroup, Mordenite
Succor Creek, Malheur County, Oregon, USA
3.7 x 3.6 x 2.3 cm. Small, glistening pale golden colored crystals of the rare zeolite species clinoptilolite associated with white fibrous mordenite inside of an opened "thunder egg" from Succor Creek, Oregon. This mineral visually is nearly identical to heulandite, but it's been confirmed as clinoptiloite. Classic material and some of the most ...
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