Alpine Mineral Museum in Seedorf, Switzerland
Detailed photo report from the 2019 visit of the famous Uri Mineral Museum in Seedorf, Switzerland. The mineral exhibition includes wide variety of the high quality Alpine minerals.
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Opal Collecting in Rožná, Czech Republic
Small opal occurence is located in the serpentinite rocks near the Rožná village, Czech Republic. It yields uncommon opal material with reticulated structures, some of these opals also contain chromite.
Melanterite (iron II sulfate) - Mineral properties, photos and localities
Melanterite is a perishable product of iron ore weathering, forming awesome green stalactites and crusts in the abandoned mines. Its shaky existence is a nice example of natural processes, but admiring melanterite beauty often includes trips to hardly accessible underground places.
Cinnabar - Epic Mineral Overview
Cinnabar is bright red mercury sulfide, which is a main ore of mercury and used to be a source of red pigments for milleniums. Cinnabar (and mercury) had been a key to mining precious metals until beginning of the 20th century and also saved a millions of teeth.
