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RM3104   Fluor-uvite and magnesite

Group of very well defined fluor-uvite crystals with a characteristic olive green color, with an excellent transparence. They are disposed on a matrix formes by magnesite crystals, between transparent to translucent. The contrast with the matrix is very aesthetic. Most specimens historically designate as uvite are actually, as analyses have shown, the F-dominant end member: fluor-uvite. Those from this mine have been shown to be the fluorine phase.

Size: 6 x 4.3 x 3.4 cm.
Main crystal: 14 mm.
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RM125   Topaz with Quartz

Three prismatic Topaz crystals with well defined faces and edges, very transparent and showing a delicate and uniform pinkish tone. Very fluorescent. Implanted on a Quartz crystal matrix.

Size: 5,0 x 3,6 x 2,4 cm.
Main crystal: 5 x 4 mm (group)
Found in 11/2008
Fluorescent under long wave UV
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