1149 TAVORITE, Bull Moose Mine, Custer, Custer County, South Dakota, U.S.A.

September 28, 2019 Pendleton North & Central Americas South Dakota United States

Source S.Dohnt, 1986

3945 HELIOPHYLLITE, Lavrion, Attiki Prefecture, Greece

3945 HELIOPHYLLITE, Lavrion, Attiki Prefecture, Greece

September 28, 2019

3060 HOWIEITE, Longvale Quarry, Mendocino County, California, U.S.A.

California North & Central Americas United States

3060 HOWIEITE, Longvale Quarry, Mendocino County, California, U.S.A.

September 28, 2019

3373 GERSDORFFITE, Gruneau Mine, Betzdorf, Siegerland, Rhineland-Palatinate, Germany

3373 GERSDORFFITE, Gruneau Mine, Betzdorf, Siegerland, Rhineland-Palatinate, Germany

September 28, 2019

4725 DIOPSIDE, Bald Mountain, Butte, Silver Bow County, Montana, U.S.A.

Montana North & Central Americas United States

4725 DIOPSIDE, Bald Mountain, Butte, Silver Bow County, Montana, U.S.A.

September 28, 2019