2182 OPAL-AG, Eromanga Opal Field, Quilpie, Queensland, Australia

September 28, 2019 Pendleton Australasia Australia Queensland

Source R.Coulsell, 1978

3361 PYRITE, Huanzala Mine, Huallanca District, Huanrco Department, Peru

Peru South America

3361 PYRITE, Huanzala Mine, Huallanca District, Huanrco Department, Peru

September 28, 2019

1545 SEKANINAITE, Dolni Bory, Vysocina Region, Moravia, Czech Republic

Czech Republic Europe

1545 SEKANINAITE, Dolni Bory, Vysocina Region, Moravia, Czech Republic

September 28, 2019

5409 TAKANELITE, CALCITE, Kara Mine, Hampshire, Tasmania, Australia

Australasia Australia Tasmania

5409 TAKANELITE, CALCITE, Kara Mine, Hampshire, Tasmania, Australia

September 28, 2019

0167 SPHALERITE, CALCITE, Elmwood Mine, Carthage, Smith County, Tennessee, U.S.A.

North & Central Americas Tennessee United States

0167 SPHALERITE, CALCITE, Elmwood Mine, Carthage, Smith County, Tennessee, U.S.A.

September 28, 2019