Rosell Minerales

 
Currency
 
You are in > Home > Minerals

Catálogo de minerales

RM2707   Elbaite partially peudom. by lepidolite

Coronel Murta, Minas Gerais, Brazil

Very interesting specimen of elbaite that has been partially transformed into lepidolite. A Brazilian curiosity. It comes from the Joan Astor collection (Barcelona), with a handwritten and typewritten label.


Size: 5 x 2.9 x 2.6 cm.
Found in ± 1975.

Col. Joan Astor (Barcelona).


Price: 55 €Reserved
 

RM2700   Elbaite and quartz

Brazil

Group of elbaite crystals, green color, brilliant and very transparent. Embeded in a quartz matrix with muscovite. It belongs to the Joan Astor collection (Barcelona), with a handwritten label and typewritten box.


Size: 5.7 x 4.8 x 3 cm.
Main crystal: 3.4 cm.
Found in ± 1973.

Col. Joan Astor (Barcelona).


Price: 45 €Reserved
 

RM2692   Quartz, variety amethyst

Rio Grande do Sul, Brazil

Stalactitic aggregate, pineapple shape, of amethyst quartz crystals. Brilliant and with a more intense "amethyst" color at the tips of the crystals. An aesthetic piece, common, but aesthetic... It belongs to the Joan Astor collection (Barcelona), with a handwritten label and typewritten box.


Size: 5.5 x 5.4 x 4.8 cm.
Main crystal: 1.7 cm.
Found in ± 1975.

Col. Joan Astor (Barcelona).


Price: 50 €Reserved
 

RM2588   Hyaline quartz with "phantom"

Gouveia, Minas Gerais, Brazil

A good size hyaline quartz crystal that shows an interior "ghost" that follows the geometry of the main one. Greenish in tone, probably due to a member of the mica group, fuchsite. These specimens are rare to see today.


Size: 5.7 x 2.2 x 1.6 cm.
Found in ±1985.

Col. A. Trigo, Mataró.


Price: 50 €Reserved

 

RM2587   Elbaite

Conselheiro Pena, Minas Gerais, Brazil

A very aesthetic miniature, but with an exceptional color variation. Between red, blue and green. A delicatessen from Brazil.


Size: 2.1 x 0.7 x 0.6 cm.

Col. A. Trigo, Mataró.
Price: 100 €Reserved

 

RM2586   Elbaite

Conselheiro Pena, Minas Gerais, Brazil

A very aesthetic miniature, but with an exceptional color variation. Between red, blue and green. A delicatessen from Brazil.


Size: 1.4 x 1 x 0.7 cm.

Col. A. Trigo, Mataró.
Price: 110 €Reserved
 

RM2527   Twinned Rutile

Diamantina, Minas Gerais, Brazil

Group of rutile crystals with a highly visible cyclic twin. A brilliant piece with years... From the Joan Astor collection.


Size: 2.7 x 2.3 x 1.9 cm.
Found in ca. 1980.

Col. Joan Astor (Barcelona).


Price: 55 €Reserved
 

RM2410   Hyaline quartz

Coronel Murta, Minas Gerais, Brazil

Group of very elongated quartz crystals, with developed prisms and well-defined rhombohedral terminal faces. Very transparent. Some faces of the prism show growth oriented cavities.


Size: 6.9 x 4.6 x 3.5 cm.
Main crystal: 6.9 x 1 cm.

Col. J. Astor (Barcelona).
Price: 40 €Reserved
 

RM2443   Bahianite

Pico das Almas river, Paramirim das Crioulas, Érico Cardoso, Bahia, Brazil

These alluvial peble specimens of bahianite are a remarkable rarity due to the composition. It is the only known pure aluminum antimonate. Structurally related to simpsonite (Ta instead of Sb). It is normally found as rolled pellets in the Pico das Almas river, in Brazil. It comes from this type locality for the species.


Size: 8 x 6 x 5 mm.

Type Locality
Price: 25 €Reserved

 

RM2479   Childrenite

Córrego Frio mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Elongated single crystal of orange-pink childrenite without matrix. Transparent to translucent, with brilliance and defined terminal faces and altered prism.Very unusual for the species. From the former A. Trigo collection (Mataró).


Size: 2.5 x 1.1 x 0.5 cm.
Found in ca. 1985.

Col. Antonio Trigo (Mataró).


Price: 65 €Reserved
 

RM2241   Elbaite

Cruzeiro mine, São José da Safira, Minas Gerais, Brazil

A very aesthetic miniature, but with an exceptional color variation. Between red, blue, green and yellow. A delicatessen from Brazil, referenced in Joan Astor's published work in issuu, that we recommend you visit and browse.


Size: 0.9 x 0.7 x 0.5 cm.
Found in ca. 1976.

Col. J. Astor (Barcelona). Adq. Lapidis.


Price: 65 €Reserved

 

RM2240   Elbaite

Lavra da Pederneira, São José da Safira, Doce valley, Minas Gerais, Brazil

Prismatic elbaite crystal, of an intense color, with the defined pinacoidal face truncating the prism. The label indicates that it comes from South Africa, but we are not aware that specimens like this have been found in this part of the world. A miniature gemmy piece.


Size: 1.2 x 0.6 x 0.6 cm.
Found in ca. 1973.

Col. J. Astor (Barcelona).


Price: 60 €Reserved
 

RM2239   Topaz

Virgem da Lapa, Minas Gerais, Brazil

A very interesting specimen of topaz, in which we can see striated faces on the prism, truncated by pinacoids, very unusual. Transparence, brilliance and with the handwritten label from the Astor collection indicating "negative" faces. This piece was adquired to the well-know Catalan dealer Jordi Figueras, one of the suppliers of the Folch collection.


Size: 4.5 x 3.4 x 2.5 cm.
Found in ca. 1978.

Col. J. Astor (Barcelona). Adq. J. Figueras.


Price: 100 €Reserved
 

RM2229   Elbaite

Golconda pegmatites, Governador Valadares, Minas Gerais, Brazil

Group of elbaite crystals, in parallel growth, with striated prismatic faces, deep green color and good luster. From the former Manchion collection, with the characteristic label.


Size: 5.4 x 2.6 x 2.4 cm.
Found in 1989.

Col. Manchion (Barcelona) #483.


Price: 70 €Reserved
 

RM2223   Quartz with inclusions

Corinto, Minas Gerais, Brazil

Excellent specimen of a quartz crystal with inclusions. In this specimen we can see green and reddish inclusions, most likely due to growths of chlorite and iron oxides in the growing crystal. A very interesting and aesthetic piece. From the Joan Astor collection.


Size: 5.8 x 5.5 x 4.5 cm.
Found in ca. 1975.

Col. Joan Astor.


Price: 45 €Reserved
 

RM2222   Quartz with inclusions

Corinto, Minas Gerais, Brazil

Excellent specimen of a quartz crystal with geometric inclusions. In this specimen we can see green and reddish zonations, most likely due to growths of chlorite and iron oxides on the facets of the growing crystal. A very interesting and aesthetic piece. From the Joan Astor collection.


Size: 6.5 x 4 x 3 cm.
Found in ca. 1975.

Col. Joan Astor.


Price: 55 €Reserved
 

RM2168   Beryl aquamarine

Coronel Murta, Minas Gerais, Brazil

A good size beryl crystal, aquamarine variety, from those of oldtimes. It shows the faces of the hexagonal prism and terminal flat pinacoid. From the Manchion collection (Barcelona).


Size: 8.8 x 4.4 x 3.4 cm.
Found in 1988.

#279 Col. Manchion (Barcelona).


Price: 40 €Reserved
 

RM2020   Hydroxylherderite with muscovite and albite

Córrego Frio mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

A classic old-time specimen of hydroxylherderite, well crystallized, with sharp translucent idiomorphic monoclinic crystals. Lustrous and with a greenish-yellow tone. Associated with albite and muscovite from the Golconda pegmatite in Brazil. From Manchion Collection, purchased to Dr. Joan Viñals. Previously misidentified as herderite.


Size: 5.5 x 4.2 x 2.7 cm.
Found in ±1987.

Col. Manchion #364, J. Viñals 04/1987,
Price: 75 €Reserved
 

RM1996   Lepidolite

Golconda pegmatites, Governador Valadares, Minas Gerais, Brazil

Good sized rounded, globular crystals of lilac-pink lepidolite. This formation is also known as ball-peen lepidolite after the resemblance to the round end of a ball-peen hammer. Lepidolite is a Li-rich member of the series between polylithionite and trilithionite. A very aesthetic specimen from Manchion Collection.


Size: 9.4 x 9.2 x 8.2 cm.
Found in ±1991.

Col. Manchion #610.
Price: 100 €Reserved

 

RM2000   Hydroxylerderite with muscovite and albite

Córrego Frio mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

A classic old-time specimen of hydroxylherderite, well crystallized, with sharp translucent idiomorphic monoclinic crystals. Lustrous and with a greenish-yellow tone. Associated with albite and muscovite from the Golconda pegmatite in Brazil. From Manchion Col., purchased in 1987 to Dr. Joan Viñals. Previously misidentified as herderite. Previamente mal identificada como herderita.


Size: 6.5 x 4.3 x 4.2 cm.
Main crystal: 3 mm
Found in 1987.

Col. Manchion #354, J. Viñals 04/1987,
Price: 110 €Reserved
 

RM1944   Hematite

Casa de Pedra mine, Congonhas, Minas Gerais, Brazil

Excellent specimen formed by a polysynthetic growth of hematite crystals, with an exceptional brightness. Rich in faces, defined edges and a good size for the species and the locality.
Rob Lavinsky said: "Splendent, complex hematite crystals form a striking specimen from this less well-known Brazilian locale. The majestic, large crystal, with numerous amazing faces is 3.5 cm and is nearly pristine. This fine piece is complete-all-around. Choice and uncommon material from the Larry Krause dealer stock". [go to mindat]


Size: 5.2 x 4.2 x 3.8 cm.
Main crystal: 3.7 x 3.5 cm.

Price: 350 €Reserved

 

RM1917   Topaz (var. Imperial) in matrix

Topaz mine, Antônio Pereira, Ouro Preto, Minas Gerais, Brazil

Usually these imperial topaz appear without matrix. In this specimen we can enjoy a prismatic crystal, doubly terminated by the pinacoids, with brilliance, transparence and intense color. With small ding in lateral face. It is gemmy from top to bottom.


Size: 5.7 x 4.8 x 4.5 cm.
Main crystal: 16 x 15 mm.

Price: 290 €Reserved
 

RM1727   Elbaite

Morro Redondo mine, Coronel Murta, Araçuaí, Minas Gerais, Brazil

One of a very few tourmalines I found in this old collection with this classic combination from the 1960s or 1970s: nice brilliant lustre, glassy surface, intense color zoning between pink to green. Parallel groth, terminal rhombohedrons and a crossing prismatic pink small crystal between them. This well-known pegmatite mine was discovered in 1991 and produced very colorful tourmalines. Nice gem.


Size: 2.2 x 1.2 x 1.1 cm

Col. J.M. Manchion (Barcelona)
Price: 80 €Reserved

 

RM1242   Topaz var. Imperial

Topaz mine, Antônio Pereira, Ouro Preto, Minas Gerais, Brazil

Topaz crystal with intense color, transparence and good brilliance. With a complex termination very rich in faces, where we can observe at least two pyramid forms and the pinacoid, along with two prisms. The base is a cleavage surface.


Size: 3.0 x 0.9 x 0.7 cm.

Fluorescent under LW-UV and SW-UV lights
Price: 40 €Reserved
 

RM1015   Calcite with quartz (var. amethyst)

Rio Grande do Sul, Brazil

On a matrix formed by good size crystals of quartz (var. amethyst) some scalenohedral calcite crystals are disposed, brilliant and translucent. Calcite presents intense red fluorescence under LW-UV light. A very aesthetic piece that represent the calcite crystals which appear in the classic Brazilian amethyst geodes.


Size: 11.8 x 9.8 x 9.0 cm.
Main crystal: 6.5 x 3.4 cm.

Fluorescent under long wave UV
Price: 55 €Reserved
 
1