Rosell Minerales
RM1208 Pyrite
Ampliación a Victoria mine, Navajún, La Rioja, SpainRich group of pyrite crystals, isolated and disposed in the original marl matrix. Exceptional luster and some of them show flattened prismatic shapes. From a classic mine for the Spanish mineralogy. Good size specimen.
Size: 18 x 12.5 x 5 cm.
Main crystal: 14 x 10 mm.
RM1560 Pyrite
Ambasaguas, Muro de Aguas, Logroño, La Rioja, SpainPyrite cluster formed by some interpenetrated crystals, with marked striated cube faces and pyritohedron. Faces and edges have a characteristic curvature. Excellent brilliance. These are specimens with more than two decades from this classic pyrite Spanish mine.
Size: 4.7 x 3.3 x 3.3 cm.
Found in 1990's
RM1559 Pyrite
Ambasaguas, Muro de Aguas, Logroño, La Rioja, SpainThis good sized pyrite specimen shows us several interpenetrated crystals, two of them dominant, with marked striated cube faces and pyritohedron. Faces and edges have a characteristic curvature. Excellent brilliance. Only two small corners are dinged. These are specimens with more than two decades from this classic pyrite Spanish mine.
Size: 4.5 x 4.0 x 3.7 cm.
Main crystal: 3.2 x 3.0 cm
Found in 1990's
RM1561 Pyrite
Ambasaguas, Muro de Aguas, Logroño, La Rioja, SpainThis good sized pyrite specimen shows us several interpenetrated crystals, one of them dominant, with marked striated cube faces and pyritohedron. Faces and edges have a characteristic curvature. Excellent brilliance. Only one small corner is dinged. These are specimens with more than two decades from this classic pyrite Spanish mine.
Size: 3.8 x 3.4 x 3.2 cm.
Found in 1990's
RM1562 Pyrite
Ambasaguas, Muro de Aguas, Logroño, La Rioja, SpainThis pyrite specimen shows us several interpenetrated crystals, one of them dominant, with marked striated cube faces and pyritohedron. Faces and edges have a characteristic curvature. Excellent brilliance. These are specimens with more than two decades from this classic pyrite Spanish mine.
Size: 3.8 x 3.3 x 3.2 cm.
Found in 1990's
RM1228 Pyrite
La Blanquiza mine, Valdeperillo, Cornago, La Rioja, SpainThese old specimens of pyrite belong to one of those curiosities that Nature offers us. In these pieces we can see crystals those are showing no apparent cubic symmetry. They have, more or less marked, parallelepiped forms unusually flattened. The edges are completely natural and the crystal has been consolidated on its matrix to avoid its possible detachment.
This kind of crystals put into question certain aspects of the cubic symmetry of pyrite. For more information on this topic you can read articles like King & Prewitt 1979 (Amer. Min., 64, 1265-1271).
Size: 11.0 x 4.7 x 4.0 cm.
Main crystal: 22 x 19 x 17 mm.
Found in 1990's.
RM1223 Pyrite
La Blanquiza mine, Valdeperillo, Cornago, La Rioja, SpainThese old specimens of pyrite belong to one of those curiosities that Nature offers us. In these pieces we can see crystals those are showing no apparent cubic symmetry. They have, more or less marked, parallelepiped forms unusually flattened. The edges are completely natural and the crystal has been consolidated on its matrix to avoid its possible detachment.
This kind of crystals put into question certain aspects of the cubic symmetry of pyrite. For more information on this topic you can read articles like King & Prewitt 1979 (Amer. Min., 64, 1265-1271).
Size: 11.3 x 5.3 x 5.2 cm.
Main crystal: 33 x 25 x 18 mm.
Found in 1990's.
RM1226 Pyrite
La Blanquiza mine, Valdeperillo, Cornago, La Rioja, SpainThese old specimens of pyrite belong to one of those curiosities that Nature offers us. In these pieces we can see crystals those are showing no apparent cubic symmetry. They have, more or less marked, parallelepiped forms unusually flattened. The edges are completely natural and the crystal has been consolidated on its matrix to avoid its possible detachment.
This kind of crystals put into question certain aspects of the cubic symmetry of pyrite. For more information on this topic you can read articles like King & Prewitt 1979 (Amer. Min., 64, 1265-1271).
Size: 10.5 x 7.7 x 5.0 cm.
Main crystal: 22 x 14 x 13 mm.
Found in 1990's.
RM1225 Pyrite
La Blanquiza mine, Valdeperillo, Cornago, La Rioja, SpainThese old specimens of pyrite belong to one of those curiosities that Nature offers us. In these pieces we can see crystals those are showing no apparent cubic symmetry. They have, more or less marked, parallelepiped forms unusually flattened. The edges are completely natural and the crystal has been consolidated on its matrix to avoid its possible detachment.
This kind of crystals put into question certain aspects of the cubic symmetry of pyrite. For more information on this topic you can read articles like King & Prewitt 1979 (Amer. Min., 64, 1265-1271).
Size: 8.0 x 7.3 x 4.6 cm.
Main crystal: 26 x 22 x 13 mm.
Found in 1990's.
RM772 Pyrite
Ambasaguas 2 mine, Ambasaguas, Muro de Aguas, Logroño, La Rioja, SpainGroup of interpenetrated pyritohedrons on matrix from a classic Spanish locality as Ambasaguas. Very sharp faces and edges, intense golden color and excellent luster. The perfection of the Rioja pyrites.
Size: 7,0 x 5,3 x 3,7 cm.
Main crystal: 14 x 13 mm.
Found in 2010.
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