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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).
 

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).


 

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)
 
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