North America; South Africa; Madagascar, ca. millions of years ago. This is a fine collection of 6 natural mineral and crystalline formations that include, quartz, celestite, and pyrite formations. The 2 larger clusters with light blue structures protruding from the top are celestite or celestine, a mineral made up of strontium sulfate. The large cluster of white crystals upon a gray stone is Anandalite quartz. The next is a lovely pale purple or amethystine quartz, a special pyramidal formation known as "cactus amethyst" found only in South Africa. The pink rose quartz is positioned atop a plaster base that has been enhanced with multicolored stones imbedded into the surface. The last mineral formation are 2 large quartz crystals with red iron oxide inclusions upon a matrix of pyrite. Size (larger celestite): 6.5" L x 3" W x 4.5" H (16.5 cm x 7.6 cm x 11.4 cm) Provenance: ex-Stein collection, Bloomfield Hills, Michigan, USA, acquired prior to 2010 All items legal to buy/sell under U.S. Statute covering cultural patrimony Code 2600, CHAPTER 14, and are guaranteed to be as described or your money back. A Certificate of Authenticity will accompany all winning bids.PLEASE NOTE: Due to recent increases of shipments being seized by Australian & German customs (even for items with pre-UNESCO provenance), we will no longer ship most antiquities and ancient Chinese art to Australia & Germany. For categories of items that are acceptable to ship to Australia or Germany, please contact us directly or work with your local customs brokerage firm.Display stands not described as included/custom in the item description are for photography purposes only and will not be included with the item upon shipping. #168966