Tetrahedral crystals of Helvine which are two toned in color with light yellow/green overlaying very dark, almost black. The crystals contrast nicely with the underlying white colored, bladed Albite. An attractive specimen for a mineral that is usually unappealing.
Flaws: Nothing Appreciable
This mineral is also found in the following galleries: Minerals From Brazil | Tectosilicates | Minerals Priced Between 100 and 199 Dollars