Acceso a Foro FMF

Guía de uso de Galería FMF

Galería de Minerales FMF

Para acceder al hilo de FMF donde está la foto

These small tetrahedral crystals of Helvite are on Albite matrix. They are from the Navegador Mine, Minas Gerais, Brazil. The crystals average about 1/4" (6mm). (Author: Jim Prentiss)

These small tetrahedral crystals of Helvite are on Albite matrix. They are from the Navegador Mine, Minas Gerais, Brazil. The crystals average about 1/4" (6mm). (Author: Jim Prentiss)

Dimensiones: 418 x 600
Tamaño fichero: 31.98 kbytes
Captura:  
Modelo cámara:  
Velocidad obturador:  
Focal length:  
Apertura:  
Flash:  
ISO: