Rosell Minerales

 
 
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RM2939   Rosasite and calcite

Omega Mine, Monument Mountain, Helvetia, Helvetia-Rosemont Mining District, Pima Co., United States of America

Rich group of velvety globular aggregates of rosasite formed by very fine needles, with a color between blue to light blue. They are accompanied by partially corroded crystals of transparent calcite and contrast in a very aesthetic way in a cavity of the goethite matrix. This specimen belongs from the former Joan Astor collection whose handwritten label we will send to the buyer.


Size: 4.4 x 3.5 x 3.3 cm.
Found in ±1992.

Col. Joan Astor (Barcelona).


 

RM2676   Native copper

New Cornelia Mine, Little Ajo Mountains, Ajo, Pima Co., Arizona, United States of America

Arborescent specimen of native copper, formed by numerous sharp crystals, with excellent luster and intense color. The piece is from the Joan Astor collection and dates from the early 70s.


Size: 5 x 3.8 x 1.4 cm.
Found in ± 1973.

Col. Joan Astor (Barcelona).
Classic locality


Price: 45 €Reserved
 

RM2047   Rosasite with calcite

Silver Hill mine group, Waterman Mts., Silver Hill, Pima Co., Arizona, United States of America

A very esthetic and good size specimen formed by several globular aggregates of acicular crystals of rosasite, of bluish green color, some partially covered by bright and transparent calcite crystals. It is accompanied by smithsonite and in a goethite matrix.


Size: 8.5 x 7.5 x 4 cm.
Main crystal: 3 mm aggr.
Found in ±1989

Col. Manchion (Barcelona) #445 E. Kucera (1989).


 

RM444   Smithsonite with rosasite

Silver Hill mine group, Waterman Mts., Silver Hill, Pima Co., Arizona, United States of America

It is a brilliant smithsonite specimen from a mine not well represented and very uncommon in the collections, including the American collections. These zinc carbonate crystals show a polysynthetic growths of rhombohedrons, color between white to colorless, with a strong pearlescent luster and forming botryoidal aggregates. They are accompanied by blue-green rosasite, in spherical aggregates.
This specimen
is interesting for different reasons. The accompanying old label belongs to the Antigua Casa (former house) Soler Pujol of Barcelona, ​​known for its collections relating to the natural history sciences. We add to its history that this specimen was in the collection of Mr. Lluís Daunis, also from Barcelona. An old specimen from a interesting American locality.


Size: 7,3 x 5,5 x 3,5 cm.
Main crystal: 1 x 1 mm.
Found in ca 1960.

Ex-col. Daunis.


 
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