Fibrous Malachite | green velvet crystal, mineral specimenFibrous malachite (also known as velvet malachite), from the Democratic Republic of Congo is renowned for its deep green color and unique surface texture, which resembles soft, shimmering velvet. This variety of malachite forms through the acicular growth of fine, elongated crystals, giving it a fibrous appearance that catches the light in captivating ways an effect called chatoyance. The DR Congo remains one of the most significant sources of high