4GF-GN2 - Opal-A (Var: Opal-AN)

Mineral(s)

Opal-A (Var: Opal-AN) : SiO₂·nH₂O

Locality

Mindat locality:

Photos

Events

“Size 6x5.5 cm. Gerard van der Veldt collection and photo.”

Gerard van der Veldt - 28th February 2007

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