Steeply terminated single crystal of one of most sought after of minerals in the collecting world. Bright translucent red when backlit (good red even when not backlit in first photo).

Proustite crystals to 1 cm on matrix comprised of solid Proustite. Extremely rare, old specimen. Best crystals are on top and along left side.

Large single deep green crystal. These were brought out of Brazil in the 1960s by Ed Swoboda and are hard to find these days.