15aadwa ((COQUIMBITE)), $25 MINIMUM BID, Dexter #7 Mine, San Rafael Swell, Emery County, Utah, .9.1 x .7 x .5 cm, Thumbnail | |
Rare species from Utah. Burnt orange hexagonal crystal with flat terminations. Coquimbite is a rare hydrated iron sulfate. ex U of Arizona collection #6566 no label |