Tridymite Cristobalite Opal - Khorixas, Brandberg West, Namibia

Tridymite Cristobalite Opal - Khorixas, Brandberg West, Namibia

Tridymite Cristobalite Opal - Khorixas, Brandberg West, Namibia -- source link


#minerals#namibia#rocks#geology#opal namibia#nature#science
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