| | Book (edition) | nature when observed under XPL; the matrix is pyrrhotite. Left (bottom): Polysynthetic hematite twinning...Colour & Ø Reflectance light brown, similar to pyrrhotite; 40.00 brownish tints; 39.24 light to brownish...visible Internal Twinning Reflect. Troilite yes Pyrrhotite yes Stibnite moderate, light lamellar and...internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL...grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL B Same sample as above: | | | Catalog/List | Shaft 11, Touissit, Touissit District, Oujda-Angad Province, Oriental Region, Morocco This is just a nice...HEMIMORPHITE Potosí Mine (El Potosí Mine), Francisco Portillo, West Camp, Santa Eulalia District, Mun. de Aquiles...Carmine Mine, La Union, Los Andes Province, La Paz Dept., Bolivia Most people’s acquaintance with the...TOURMALINE Var. “BUERGERITE” Mesquitic, San Luis Potosí, Mexico That “Buergerite” is a form of Tourmaline...ADAMITE and LOTHARMEYERITE Ojuela Mine, Mapimí, Mun. de Mapimí, Durango, Mexico Some of the minerals found |
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