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Gtzenite. Gtzenite Locality Poudrette quarry Demix quarry UniMix quarry Desourdy quarry Carrire Mont SaintHilaire Mont SaintHilaire Rouville RCM Montrgie Qubec Canada The larger lath ia mm long This is child photo It is the old parent photo It has flaws but so does the new parent photo Add them and divide by two Gtzenit Fundort