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Source page: http://commons.wikimedia.org/wiki/File:Calcite-Fluorite-224127.jpg


English: Calcite, Fluorite
Locality: Moscona Mine, Solís, Llanera, Villabona mining area, Asturias, Spain (Locality at mindat.org)
Size: 19.3 x 11.7 x 7.8 cm.
Three generations of crystallization have occurred on this limestone matrix. The first to form was a plate of lustrous and translucent, amber-colored crystals of fluorite, to .5 cm across. Next to form were clusters of intergrown, saddle-shaped, ivory colored calcite. The third generation resulted in large, lustrous and translucent, ivory colored rhombohedrons of calcite, to 6.5 cm across - including one big crystal perched right at the apex of the specimen; and, remarkably not only is it complete 360 degrees around, but it is pristine. Aside from any locality value, this is therefore an interesting specimen with fascinating paragenesis. Very nice color and sculptural contrast make this one of the better large examples from this famous locality, and quite distinct in its combination from calcite of other locales. In fact, it is very similar to material from old quarries in Shullsberg, Wisconsin - but those of course do not grow on fluorite. This is from a private collection in Spain, accumulated over decades.
Deutsch: Calcit, Fluorit
Fundort: Moscona Mine, Solís, Llanera, Villabona mining area, Asturien, Spanien (Fundort bei mindat.org)
Größe: 19.3 x 11.7 x 7.8 cm.
Date before March 2010(2010-03)
Source http://www.mindat.org/photo-224127.html


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