Mineral Photos7384

Quartz (var. petrified wood) Studenec, Czech Republic

Quartz (var. petrified wood) Studenec, Czech Republic

Quartz (var. petrified wood) Studenec, Czech Republic

Quartz Morcinov, Czech Republic

Agate Morcinov, Czech Republic

Elbaite Rožná, Borovina, Czech Republic

Felsőbányaite Bílina, Czech Republic

Felsőbányaite Bílina, Czech Republic

Felsőbányaite Bílina, Czech Republic

Fluorite Boží Dar, Czech Republic

Quartz (var. citrine) Bohdalec, Czech Republic

Beryl Obrázek I. Písek, Czech Republic

Chlorite, Epidote, Titanite Vedretta di Sissone, Italy

Beryl (var. aquamarine) Gilgit-Baltistan, Pakistan

Sepiolite Biskoupky, Czech Republic

Quartz (var. chalcedony) Rudice, Czech Republic

Quartz (var. chalcedony) Rudice, Czech Republic

Rutile Na Skalách, Klínovec, Krušné hory, Czech Republic

Rutile Na Skalách, Klínovec, Krušné hory, Czech Republic

Rutile Na Skalách, Klínovec, Krušné hory, Czech Republic

Plasma Dukovany, Czech Republic

Quartz (var. chalcedony) Dukovany, Czech Republic

Tremolite Franklin mining district, New Jersey, United States of America

Chalcopyrite, Sphalerite Trepča, Serbia and Montenegro