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Mineral Photos from Dubník, Slovakia55

Opal (var. precious)
Opal (var. precious) Dubník, Slovakia
Opal (var. precious)
Opal (var. precious) Dubník, Slovakia
Opal (var. precious)
Opal (var. precious) Dubník, Slovakia
Gypsum
Gypsum Dubník, Slovakia
Alunogen
Alunogen Dubník, Slovakia
Alunogen
Alunogen Dubník, Slovakia
Alunogen
Alunogen Dubník, Slovakia

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