Mineral Photos by Zbyněk Buřival304

Pyrolusite, Jasper Horní Blatná, Czech Republic

Porzelanite Dobrčice, Czech Republic

Opal Rožná, opál, Czech Republic

Analcime, Calcite Mojžíř, Czech Republic

Kaersutite Vlčí hora u Černošína, Czech Republic

Opal Rožná, opál, Czech Republic

Sekaninaite Dolní Bory, Czech Republic

Thomsonite-(Ca) Folknáře, Pustý vrch, Czech Republic

Phillipsite Folknáře, Pustý vrch, Czech Republic

Pseudomalachite Lubietová, Slovakia

Agate Nowy Kosciol, Poland

Cassiterite Rožná, Hradisko, Czech Republic

Elbaite (var. verdelite) Rožná, Hradisko, Czech Republic

Fluorite Tess Quarry, Kinvara, Connemara, Ireland

Fluorite Weardale, United Kingdom

Opal (var. hyalite) Valeč, Czech Republic

Sulphur Cozzodisi, Agrigento, Italy

Sulphur Cozzodisi, Agrigento, Italy

Antimony Bytíz, Czech Republic

Arsenic Příbram, Czech Republic

Copper Ray Mine, Arizona, United States of America

Silver Kongsberg, Norway

Diamond Kimberley, South Africa

Diamond Kimberley, South Africa