Milarite on Albite ex. Martin Zinn Coll.

Item Description

The milarite crystals here, hexagonal crystals topped with flat yellow terminations, measure up to 6mm across. Their size for this locality is pretty good, but it is the richness and overall size of the specimen that makes the piece significant. Such pieces are few and far between, and quite old. Most are small reference samples, while this is an important example of rare size. Another such is illustrated in the Bancroft book, Gem and Crystal Treasures, from the mid-1980s. And they were found long before. Milarite from few locales reaches this quality, but these Mexican pieces are unique for their association with beautiful contrasting crystallized matrix of a porcelain-like adularia feldspar, referred to as valencianite until recently. An important, rare specimen for any collector of Mexican minerals or rare species, this comes with a label from the Martin Zinn collection (which was sold off and dispered in 2005 or so). Valued $2000 but at any price, try finding another?!