Meta-autunita Primaria
Meta-autunita is a mineral with formula , in the Fosfatos (Uranilo) group. This specimen comes from Mina Assunçao, Aldeia Nova, Ferreira de Aves, Viseu, Portugal and joined the Terrium collection in 2015.
History of this specimen
It was with Carlos G Bargueño.
About Meta-autunita
Primary meta-autunite is a hydrated calcium uranyl phosphate with a lower number of water molecules in its crystal structure, not because it lost them through dehydration, but rather because it crystallized that way and has preserved its natural crystallization
About the locality
Assunção was an open-pit operation, now inactive. The property is private, permission is required to enter or collect, an alarm system is in place, and part of the workings was affected by later enlargement and flooding.
Technical data
- Catalogue No.
- 0666
- Name
- Meta-autunita
- Variety
- Primaria
- Group
- Fosfatos (Uranilo)
- Category
- Núcleus Ardens
- Matrix
- cuarzo
- Mine
- Mina Assunçao
- District / Municipality
- Aldeia Nova
- Province
- Ferreira de Aves
- Region
- Viseu
- Country
- Portugal
- Acquired
- 2015
- Ex-collection
- Antonino Bueno Yanes
- Etymology
- From the Greek prefix "meta-" and autunite, a name used to distinguish this species within the group.
- Quality
- Top
- Value trend
- Al alza
Related specimens
- Autunita — Portugal
- Autunita — Portugal
- Autunita — Portugal
- Autunita (Verde) — Portugal
- Cuarzo — Portugal
- Descloizita — Portugal
- Descloizita — Portugal
- Dewindtita — Portugal