0721 DOLOMITE, Vekol Mine, Vekol Mountains, Pinal County, Arizona, U.S.A.

September 28, 2019 Pendleton Arizona North & Central Americas United States

Source D.Shannon, 1984

2169 QUARTZ var. Agate, Calvillo Mines, Sierra Madre Mts., Aguascalientes, Mexico

Mexico North & Central Americas

2169 QUARTZ var. Agate, Calvillo Mines, Sierra Madre Mts., Aguascalientes, Mexico

September 28, 2019

2761 MANGANITE, Caland Pit, Schwenger Township, Rainy River District, Ontario, Canada

Canada North & Central Americas

2761 MANGANITE, Caland Pit, Schwenger Township, Rainy River District, Ontario, Canada

September 28, 2019

1346 OSUMILITE, TRIDYMITE, Obsidian Cliffs, North Sister Mtn., McKenzie Pass, Lane County, Oregon, U.S.A.

North & Central Americas Oregon United States

1346 OSUMILITE, TRIDYMITE, Obsidian Cliffs, North Sister Mtn., McKenzie Pass, Lane County, Oregon, U.S.A.

September 28, 2019

5383 EUGENITE, Elisa de Bordos Deposit, Pabellon, Copiapo Province, Atacama Region, Chile

Chile South America

5383 EUGENITE, Elisa de Bordos Deposit, Pabellon, Copiapo Province, Atacama Region, Chile

September 28, 2019