Mineral Photos from Štěrkovna Zaječí, Czech Republic3

Quartz (var. rock crystal)

Quartz (var. rock crystal) Štěrkovna Zaječí, Czech Republic

Quartz (var. chalcedony)

Quartz (var. chalcedony) Štěrkovna Zaječí, Czech Republic

Quartz (var. petrified wood)

Quartz (var. petrified wood) Štěrkovna Zaječí, Czech Republic

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