Argyrodite is one of the rarer silver species, a sulfide with GERMANIUM as a main constituent! It usually occurs as small crystals in rounded ugly masses. Here we have SHARP, euhedral, lustrous crystals to about an INCH in size! This is an incredible specimen of a very rare species, from silver mining that predated the more famous (among modern collectors, anyhow) deposits of Chanarcillo in Chile. Ex. British Museum of Natural History and Dr. Mark Feinglos Collections.
Attribution: Rob Lavinsky, iRocks.com – CC-BY-SA-3.0
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