2999 TYCHITE, Searles Lake, Trona, San Bernardino County, California, U.S.A.

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

Source C.Kovac, 1990

4688 ARMSTRONGITE, Khan-Bogdo Massif, Central Gobi Desert, Mongolia

4688 ARMSTRONGITE, Khan-Bogdo Massif, Central Gobi Desert, Mongolia

September 28, 2019

1505 MANGANOGRUNERITE, QUARTZ, North Mine, Broken Hill, N.S.W., Australia

Australasia Australia New South Wales

1505 MANGANOGRUNERITE, QUARTZ, North Mine, Broken Hill, N.S.W., Australia

September 28, 2019

4232 MAGNESIOSTAUROLITE, QUARTZ, Gilba Valley, Brossasco, Varaita Valley, Cuneo Province, Piedmont, Italy

4232 MAGNESIOSTAUROLITE, QUARTZ, Gilba Valley, Brossasco, Varaita Valley, Cuneo Province, Piedmont, Italy

September 28, 2019

5222 SPANGOLITE, Mt. Isa Mine, Mt. Isa, Queensland, Australia

Australasia Australia Queensland

5222 SPANGOLITE, Mt. Isa Mine, Mt. Isa, Queensland, Australia

September 28, 2019