Group of gypsum crystals, in parallel growth, with siderite inclusions. Open pit exploitation (corta) located next to the San Valentín corta. It belongs from the collection of Joan Astor.

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This specimen shows an interesting group formed by a bluish, very bright botryodal chalcedony, which is partially covered by aggregates of calcite crystals, flattened, in axial growth, and with an excellent transparency and brightness. A worthy specimen of this near to disapeared quarry, close to the San Valentín quarry. A very aesthetic piece of this classic Murcia mining area.

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