Amazonite Stone Cube | 8x8mm | Blue White | 2 Bead(s)

Blue White Amazonite Cube Beads for Jewelry MakingThese unique cube Amazonite beads are perfect for earrings.Amazonite, also known as Amazonstone,[4] is a green tectosilicate mineral, a variety of the potassium feldspar called microcline.[4][5] Its chemical formula is KAlSi3O8,[1][6] which is polymorphic to orthoclase.Its name is taken from that of the Amazon River, from which green stones were formerly obtained, though it is unknown whether those stones were amazonite.[4] Although it has been used for[clarification needed] over two thousand years, as attested by archaeological finds in Egypt and Mesopotamia, no ancient or medieval authority mentions it. It was first described as a distinct mineral only in the 18th century.[7]Green and greenish-blue varieties of potassium feldspars that are predominantly triclinic are designated as amazonite.[8] It has been described as a "beautiful crystallized variety of a bright verdigris-green"[9] and as possessing a "lively green colour."[4] It is