5061 Corundum, Luc Yen, Yen Bai Province, Vietnam

September 29, 2019 Steve Asia Vietnam

Blue Sapphires

Australasia Australia Victoria

ncat JP202 Corundum, Mt Loch, Hotham Heights, Victoria

September 23, 2019

California North and Central Americas United States

30002 Ruby, Cascade Canyon, San Bernadino Co., California

October 5, 2019

ncat VHD3, Corundum, Malawi

November 17, 2019

Asia Myanmar (Burma)

5252 Corundum, Mogok, Myanmar (Burma)

September 29, 2019

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