Lava flow Hawaii

Lava flow Hawaii

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Silver ore Simbabwe

Mineralogical characterization of a silver ore from Simbabwe by Dr. Thomas Hatzl. The main constituents of this silver-rich ore are quartz, limonite, malachite, rosasite, cerrusite, galena, vanadinite (little pink needles in the element mapping SEM foto) and cuprite. This complex mineralogy is typical for oxidation zones and multiphase mineralization stages.

Hamp14 8

Thin section (crossed nicols) showing cerrusite (sacroline colour) in quartz-rich matrix.