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RM1012   Cavansite with stilbite-Ca
Ca(V4+O)(Si4O10)·4H2O
  -  9. Silicates

Globular aggregates with a really good sized formed by cavansite lanceolate crystals, with an intense blue color, brilliance and transparence. Very aerial and aesthetically disposed on the matrix covered by several small but transparent and brilliant stilbite-Ca crystals.

Size: 5.5 x 3.8 x 3.5 cm.
Main crystal: 3.3 x 2.8 cm. aggrs.
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RM748   Powellite with Stilbite

Bipyramidal crystal of powellite with a good size, very brilliant and well defined faces and edges. With a delicate honey color and some transparence. It is accompanied by stilbite crystals on matrix.

Size: 6,7 x 6,0 x 3,2 cm.
Main crystal: 11 x 10 mm.
Found in 2005.
Fluorescent under LW-UV and SW-UV lights
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RM537   Apophyllite-(KF) with Stilbite and Calcite

Group of two apophyllite-(KF) crystals showing perfect tetragonal prism faces, well developed, with the dipyramid and pinacoid. The edges are very sharp and the faces have some striation. Translucent and slightly green color zoning, more intense in the crystal core. Faces are peppered by small white calcite crystals that have grown mostly in some orientated faces, probably due to water circulation. It is a very aesthetic miniature. On a matrix of very brilliant crystals of stilbite.

These specimens were found in 2006 in a small Indian village, when they were drilling a water well. They found a cavity totally covered with them. There is an interesting article in the Mineralogical Record magazine (39:267-273).

Size: 4,5 x 3,5 x 2,5 cm.
Main crystal: 22 x 12 mm.
Found in 03-06/2007.
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RM536   Apophyllite-(KF) with Stilbite and Calcite

Excellent doubly terminated crystal of apophyllite-(KF) showing perfect tetragonal prism faces, well developed, with the dipyramid and pinacoid. The edges are very sharp and the faces have some striation. Translucent and slightly green color zoning, more intense in the crystal core. Faces are peppered by small white calcite crystals that have grown curiously mostly in some orientated faces, probably due to water circulation. It is very, very aesthetic. On a matrix of very bright and transparent crystals of stilbite also peppered by small calcite rhombohedra.

These specimens were found in 2006 in a small Indian village, when they were drilling a water well. They found a cavity totally covered with them. There is an interesting article in the Mineralogical Record magazine (39:267-273).

Size: 7,0 x 4,5 x 4,3 cm.
Main crystal: 40 x 10 mm.
Found in 03-06/2007.
Precio reducido-Reduced price 80€
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