Corundum (Var: Ruby)
Jacobs Ruby Mine, Cowee Valley, Macon County, North Carolina, USA
Theses rubies are quite large for the Jacobs Mine, 7-16mm in size. Most stones from this deposit are usually under four carats. Top row, left to right: 5.2, 5.5, 9.8, and 11.3 carats. Bottom row: 3.2, 4.6, 4, and 3.8 carats. One ruby of approximately 24 carats was discovered within the past 6 years. Facet quality stones from this mine are usually ...