A6 road cut, Elvas, Portalegre, Portugal
Crystallization on pink granite - Field with 8x4cm - March of 2007 - From Carlos Marques collection
© Photo & Collection of Martins da Pedra
Sample crystallized in field with 6x3cm - December of 2006 - Carlos Marques collection
© Photo of Martins da Pedra - Collection of Carlos Marques
Crystallization on pink granite - overall size 9x7x3cm - March of 2007