indigolite tourmaline
Among the birthstones for October, tourmaline exhibits a deep greenish blue hue (indigo color).
It is highly rare and valuable due to its rare gem-quality color, and among tourmalines, it is considered the second most valuable after Paraiba tourmaline.
This type is very popular due to its unique deep color.
Karatz GemMagazine
" Indigolite Tourmaline "
Karatz GemMagazine
" Indigolite Tourmaline "