This is a specimen of prase quartz from Serifos Island, Greece. Prase quartz is green macrocrystalline quartz that tends to grow in thin, pencil-like crystals. The green color comes from different inclusions within the quartz. This is a unique specimen from one of the best-known locales for this type of mineral.
This specimen is approximately 10.5cm x 6cm x 6cm. You will also receive a card with the name of the mineral and the locale where it was mined.