Rosell Minerales
RM2823 Hübnerite
Adams Mine, Cement Creek, Eureka, San Juan Co., Colorado, United States of AmericaAn excellent old classic from the American mineralogy. Really sharp crystals of hübnerite forming groups of parallel growths, some of them isolated. Translucent, with the intense brown color and brilliance and an esthetic contrast with the snowy white matrix. Nowadays, it is very difficult to find specimens with this quality and size... From a former Austrian collection.
Size: 8.8 x 8.4 x 5.2 cm.
Main crystal: 35 mm.
Found in ±1970.
Col. F. Schweiger (Wien).
Classic locality

RM2249 Coconinoite
Jomac Mine, White Canyon, San Juan Co., Utah, United States of AmericaOn a sandstone matrix some yellow crusts of coconinoite formed by small tabular to micaceous crystals. This sample has been analyzed by SEM-EDS and we will send the results to the buyer.
Size: 8.2 x 7.4 x 4.2 cm.
Presents radioactive activity.

RM2257 Rhodochrosite with quartz
Animas Mining District, Silverton, San Juan Co., Colorado, United States of AmericaExcellent specimen of rhodochrosite from this classic American locality from where not many specimens are available, unless they appear in former collections. This piece entered the Joan Astor collection in 1976 and was acquired from Joan Montal, a well-known old dealer from Vilafranca del Penedés (Barcelona). Several rhombohedral rhodo crystals, very well defined, with a very aesthetic pink color. With a globular aggregate of a second generation of rhodo. It stands out on the matrix of quartz crystals. A unique piece.
Size: 5 x 4 x 3 cm.
Found in 1970's.
Col. Joan Astor.

RM2167 Carnotite
Oljeto Mesa, Monument Valley-Navajo Country, Goulding, San Juan Co., Utah, United States of AmericaFor uranium mineral collectors, this carnotite of an intense yellow color, formed by numerous globular aggregates of crystals, covering the surface of the sandstone matrix. An American classic, labeled E. Kucera (Barcelona).
Size: 5.7 x 2.7 x 1.3 cm.
Col. Manchion (Barcelona).
Presents radioactive activity.

RM1973 Coconinoite
Jomac Mine, White Canyon, San Juan Co., Utah, United States of AmericaOn a sandstone matrix some yellow crusts of coconinoite formed by small tabular to micaceous crystals. This sample has been analyzed by SEM-EDS and we will send the results to the buyer.
Size: 5.0 x 3.1 x 1.2 cm.
Presents radioactive activity.

RM1402 Hübnerite with quartz
Adams Mine, Cement Creek, Eureka, San Juan Co., Colorado, United States of AmericaAn excellent old classic from the American mineralogy. Really sharp crystals of hübnerite forming groups of parallel growths, some of them isolated. With the intense brown color and brilliance and an esthetic contrast with the snowy white matrix. Nowadays, it is very difficult to find specimens with this quality or any other quality...
Size: 8.8 x 4.5 x 3.8 mm.
Main crystal: 18 x 8 mm.
Ex. Schick collection

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