Imperial topaz mine.
Ref.:
http://www.palagems.com/topaz_buyers_guide.htm
- this reference is borrowed directly from Peter Bancroft's "World's Greatest Crystal Treasures", which give mentions the "Vermelhao" and the "Antônio Pereira" mines in the same sentence, then later refers to them as one and the same [i.e "...at Saramenha at the Vermelhao (Antônio Pereira) Mine...")
6 entries listed. 5 valid minerals.
