Rambergite is a manganese sulfide mineral with formula .
Rambergite is a manganese sulfide mineral with formula .
It has been found in anoxic marine sediments, rich in organic matter of the Gotland Deep, Baltic Sea and also in skarn in the Garpenberg area, Dalarna, Sweden. It was named after the mineralogist, Hans Ramberg (1917–1998).
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).