Rosell Minerales

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RM2777   Willemite, siderite, galena and goethite

Rivet Quarry, Montredon-Labessonnié, Réalmont, Tarn, Midi-Pyrénées, France

Numerous groups of prismatic willemite crystals in the cavities of this matrix with galena, siderite, quartz and goethite. The crystals show hexagonal shapes truncated by pinacoidal faces, they appear isolated or forming aesthetic stars. Some of them are dotted with rhombohedral crystals, between honey-colored to greenish, of siderite. Fluorescent under short wave UV light. A good size specimen of this classic Occitan Pb-Zn mine.

Size: 8.7 x 5.1 x 3.8 cm.
Main crystal: 1.5 mm.

Fluorescent under short wave UV


RM816   Rhodochrosite with kentrolite

Rivet Quarry, Montredon-Labessonnié, Réalmont, Tarn, Midi-Pyrénées, France

This specimen shows stalactític aggregates of rhodochrosite with a pink color. They are accompanied by brilliant botryoidal kentrolite, with a deep black color. It is a rare lead and manganese silicate. Nice specimen for the species and dedicated to systematic and French collectors.

Size: 6,5 x 5,5 x 3,5 cm.
Found in 11-2008.


RM576   Fluorite with siderite

Peyrebrune, Montredon-Labessonnié, Réalmont, Tarn, France

Group of very sharp fluorite crystals showing cubic forms and trapezohedron faces on some vertexs. Well defined faces and edges, transparent to translucent. Yellow color is uniforms, with curious internal colorless structures, and some siderite crystals on them. A huge size specimen from this French mine.

Size: 9,5 x 8,5 x 4,0 cm.
Main crystal: 4,4 x 3,3 cm.

Fluorescent under long wave UV