Londonite with Liddicoatite on Matrix (Madagascar) | rare mineral specimen, londonite liddicoatite crystalThis specimen hosts a banana yellow crystal of the rare species londonite, perched on contrasting white matrix with bits of translucent quartz. The main crystal is 3. 4 cm long, fully terminated on one end with some minor etching, and partially terminated on the other, save for a rather large break on the bottom half. It is translucent and sharp, with exceptional luster that is seldom seen on these. The pink and dark blue specks are bits of