This is a HUGE Azurite Malachite Chrysocolla Polished Specimen weighing 4 lbs 9 oz or 2057 grams from Congo, Africa. It measures approximately 9 inches in length, 6 inches wide and 2 inches in height. A Spectacular Museum Quality with Beautiful Colors sure to be the centerpiece of any fine mineral collection!!! This Material is becoming harder to find, especially in this size and quality!! Please see photos and feel free to ask any questions, thanks!!