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File:Alfredopetrovite, Ahlfeldite & Chalcomenite.jpg

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Description
Deutsch: Alfredopetrovit, Ahlfeldit, Chalkomenit
Fundort: El Dragón Mine, Provinz Quijarro, Department Potosi, Bolivien
Größe: 1.3 cm × 0.7 cm × 0.8 cm
Beschreibung: Druse mit winzigen, farblosen bis grauen Alfredopetrovit-Kristallen, blauem Chalkomenit und rosa Ahlfeldit. In einigen Gebieten ohne farbige Hintergrundmineralien kann man perfekte Kristalle sehen. Man kann auch Flächenreflexionen dieser extrem seltenen Spezies beobachten. Alfredopetrovit ist das erste Aluminiumselenitmineral. Auf einer Kruťait-Penroseit-Matrix.
English: Alfredopetrovite, Ahlfeldite, Chalcomenite
Locality: El Dragón Mine, Quijarro Province, Potosi Department, Bolivia
Size: 1.3 cm × 0.7 cm × 0.8 cm
Description: Druse of tiny alfredopetrovite crystals, colorless to greyish tone, coating over blue chalcomenite and pink ahlfeldite. Some areas, with no colored background minerals, let us to see perfectly crystals. You can also observe face reflections of this extremely rare species. Alfredopetrovite is the first aluminium selenite mineral. On a kruťait-penroseite matrix.
Date
Source Own work
Author Joan Rosell, from rosellminerals.com

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