Stibiotantalite is a tantalate mineral found in complex granite pegmatites. Stibiotantalite constitutes the tantalum endpoint of a solid solution series with its niobium analogue stibiocolumbite.
Stibiotantalite is a tantalate mineral found in complex granite pegmatites. Stibiotantalite constitutes the tantalum endpoint of a solid solution series with its niobium analogue stibiocolumbite.
It is translucent to transparent, medium hard (5.5 mohs), appears yellow to dark brown, reddish or greenish brown, with an adamantine luster.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).