penroseite
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Penroseite — Infobox mineral name = Penroseite Category = boxwidth = boxbgcolor = imagesize = caption = formula = ((Ni,Co,Cu)Se2) molweight = color = steel grey system = isometric class 2/m3* cleavage = None fracture = Conchoidal mohs = 3 lower in impure… … Wikipedia
penroseite — pen·rose·ite … English syllables
List of minerals N-R (complete) — It is currently not possible to have a complete list of minerals . The International Mineralogical Association is the international group that recognises new minerals and new mineral names, however minerals discovered before 1959 did not go… … Wikipedia
Pyrite — Catégorie II : sulfures et sulfosels[1] Pyrite Octaèdre Mines de Huaron, Pérou (8×8 cm) … Wikipédia en Français
Classification of minerals — This list gives an overview of the classification of minerals (non silicates) and includes mostly IMA recognized minerals and its groupings. This list complements the alphabetical list on List of minerals (complete) and List of minerals. Rocks,… … Wikipedia
