Description
Beautiful green and blue vivianite blade cluster.
Size: 90 x 18 x 7 mm. 12 grams.
From: Brazil
Vivianite is a fascinating iron phosphate mineral prized by collectors for its delicate crystal formations and distinctive colors, ranging from pale green and blue-green to deep indigo and nearly black. Freshly exposed crystals are often light in color but can gradually darken to rich blue or blue-black when exposed to light due to oxidation. Vivianite commonly forms elongated, prismatic crystals with a vitreous to pearly luster and may occur in earthy masses or crystal clusters. Often found in iron-rich, oxygen-poor environments, this unusual mineral is especially appealing for its dramatic color transformation and delicate beauty, making it a distinctive addition to any mineral collection.