Feynmanit (1 Bild) aus USA/Utah/San Juan Co./White Canyon District/Red Canyon/Markey Mine
hellgelbe, nadelige Kristalle von Feynmanit, Markey Mine, Red Canyon, San Juan Co., Utah, USA; BB < 1 mm
Leószilárdit (1 Bild) aus USA/Utah/San Juan Co./White Canyon District/Red Canyon/Markey Mine
Pale yellow crystals of leószilárdite (IMA2015-128) on a bed of andersonite from the Markey Mine. It is the first Na+Mg uranyl carbonate. Field of view: 1.5 mm;
Natromarkeyit (1 Bild) aus USA/Utah/San Juan Co./White Canyon District/Red Canyon/Markey Mine
Bladed yellow-green natromarkeyite from the Markey mine. Its structure is related to markeyite, where 2 Na replace 1 Ca and 1 H2O group; Locality: Markey Mine, Red Canyon, White Canyon Mining Distr...