Gem Finishes, the etch resistant marcite alternative, are a mill prepared marcite alternative blended with the highest quality selected colored quartz aggregates, white portland cement and proprietary additives to enhance strength, density, bonding and curing.
What is Florida gem?
In 1970, lawmakers adopted the moonstone as the official state gem. ... Ironically, the moonstone, a form of the mineral feldspar, is not found naturally in Florida... nor was it found on the moon!