- Simpsonite with Tantalite-(Mn)
- Miniature, 1.3 x 1.2 x 1.0 cm
- Alto do Giz pegmatite, Equador, Borborema mineral province, Rio Grande do Norte, Brazil
- Ex. Paulo Matioli
A large, well-formed, orange-yellow, lustrous crystal of simpsonite accented by a 2mm, euhedral, dark red, tantalite-(Mn) crystal along a terminal edge. The simpsonite crystal measures 13x13x14mm and is locally translucent. This is a large, colorful and very showy specimen for the species adorned with a nice, compact tantalite-(Mn) crystal as an accessory. Ex. Paulo Matioli collection.