MGR27 Tourmaline, Quartz, Tourmaline var. Liddicoatite
Tsarafara, Sahatany Pegmatite Field, Ibity Area, Vakinankaratra (Betafo) Region, Antananarivo Province, Madagascar
4.5x 3.1x 1.9 cm
As I mentioned in the introduction, good matrix specimens of tourmaline are extremely rare. here is a terminated, purplish-black crystal on a quartz matrix. Interestingly, there are minor yellow undertones near the termination.