Scolecite raw chunk, scolecite one side polished and raw on other side crystal - cristal polished gemstone scolecite stone crystal. Wt- 666g or 3330 carats. On a physical level, scolecite is a helpful mineral that brings peace and calms when someone is having a distressful time. It is also said to help support proper serotonin levels in the brain. This item is made of scolecite.