Rosell Minerales
RM2994 Twinned dolomite
Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), SpainGroup of twinned rhombohedral dolomite crystals with very well defined faces and edges. They show striated faces, transparence and brilliance. With gray inclusions arranged randomly, not uniform. A classic of Spanish mineralogy.
Size: 7.8 x 5.5 x 5 cm.
Main crystal: 3 x 2.5 cm. macla/twin

RM2418 Fluorite and Calcite
Yanci quarries, Igantzi, Nafarroa (Navarra), SpainGroup of cubic fluorite crystals, slightly bevelled, with an intense violet color with geometric zoning, between transparent and translucent. They show polysynthetic growths forming tiled structures on the faces of the cube. On some fluorite crystals, a generation of small scalenohedral calcite crystals, very transparent and bright, has formed. They are disposed on a matrix with baryte and calcite. Not very common in the market. They show some fluorescence under ultraviolet light.
Size: 5.2 x 4.8 x 3.6 cm.
Main crystal: 0.9 cm.
Fluorescent under LW-UV and SW-UV lights
RM2414 Fluorite and Calcite
Yanci quarries, Igantzi, Nafarroa (Navarra), SpainGroup of cubic fluorite crystals, slightly bevelled, with an intense violet color with geometric zoning, between transparent and translucent. They show polysynthetic growths forming tiled structures on the faces of the cube. On some fluorite crystals, a generation of small scalenohedral calcite crystals, very transparent and bright, has formed. They are disposed on a matrix with baryte and calcite. Not very common in the market. They show some fluorescence under ultraviolet light.
Size: 8.2 x 5.2 x 4 cm.
Main crystal: 1.2 cm.
Fluorescent under LW-UV and SW-UV lights
RM1862 Magnesite and dolomite
Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), SpainThis piece is formed by several interpenetrated lenticular yellowish crystals of magnesite, accompanied by dolomite rhombohedrons on matrix. We especially note the rare richness of magnesite crystals in the sample. Good sized and from a classic Spanish locality.
Size: 9.5 x 7.5 x 4.5 cm.
Main crystal: 15 x 12 mm.
Found in ±1998
Fluorescent under long wave UV
RM1794 Dolomite with Manganese oxyde
Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), SpainVery curious specimen of dolomite from this classic Navarrese locality, which shows a rich group of rhombohedral crystals, some with small negative rhombohedron faces and very sharp edges. They are partially coated with manganese oxides that give them a black and dull surface. This kind of specimens are very unusual in collections.
Size: 7.8 x 6.3 x 4.9 cm.
Main crystal: 18 x 17 mm.
RM1606 Minyulite with crandallite, fluellite and metavariscite
Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), SpainAesthetic and good sized minyulite specimen that shows a rich group of prismatic acicular crystals. Minyulite is a rare aluminum and potassium fluorophosphate, which in this quarry has had a remarkable deposit. Few specimens were collected between the years 1999 and 2000. To increase quality, it is accompanied in the matrix by white crandallite crystals pseudom. after fluellite, transparent and defined crystals of fluellite and stalactitic globular aggregates of metavariscite with a greenish tone. These specimens are impossible to obtain today.
Size: 7.5 x 4.5 x 4.0 cm.
Main crystal: 10 mm aggr.
Found in 1999-2000.
RM1607 Fluellite
Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), SpainThis is one of the last fluellite specimens obtained from the fissure appeared in March 2000, where beautiful specimens of this rare phosphate were collected. This specimen was in the discoverer's collection for years. IVery well defined crystals, showing dipyramidal forms truncated by pinacoid, colorless to slightly violet, on a brilliant iridiscent matrix. A very distinctive specimen of the usual for this Navarrese mine, where it is impossible to get specimens. An opportunity to get a historical and very displayable specimen.
Size: 6.7 x 5.5 x 2.3 cm.
Main crystal: 2 x 1 mm.
Found in 03-2000.
RM1530 Dolomite
Azkarate Quarry, Eugi, Esteribar, Nafarroa (Navarra), SpainGroup of rhombohedral crystals of dolomite, some of them twinned, with very defined faces and edges. They show striated faces, transparency and brilliance. With curious grayish inclusions disposed ramdomly in the crystal core. A classic specimen for the Spanish mineralogy.
Size: 8.5 x 8.5 x 6.5 cm.
Main crystal: 30 x 24 mm.
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