This lovely specimen features a deep blue coating of azurite crystals on matrix from China. On the backside, green fibrous malachite is visible growing in the seams. The azurite crystals have a mix of lustrous & matte surfaces. Azurite, Malachite Yangchun Co., Yangjiang, Guangdong, China 6.35 x 5.7 x 3.49 cm 2.5 x 2.25 x 1.375 in Deep Blue Azurite Crystals With Malachite On Matrix From China