Works of "Research Collection"
Place Collected: Shua Mine
Place Collected: Sheea Mine
Place Collected: Corrego Do Divino
Place Collected: Conselheiro Pena
Place Collected: Conselheiro Pena
Place Collected: Conselheiro Pena
Place Collected: Diamantina
Place Collected: Governador Valadares
Place Collected: Baja California