thumb|upright|Crystalline copper "feather" from Itauz Mine, Kazakhstan, an example of a photo from the Mindat database.
thumb|upright|Crystalline copper "feather" from Itauz Mine, Kazakhstan, an example of a photo from the Mindat database.
Mindat.org is a non-commercial interactive online database covering minerals around the world. Originally created by Jolyon Ralph as a private project in 1993, it was launched as a community-editable website in October 2000. it is operated by the Hudson Institute of Mineralogy.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).