Goldstone

Even though this glittery glass isn't naturally made, it still is endlessly captivating!  Goldstone is man-made in a low-oxygen reducing atmosphere from small crystals of metallic copper. It is commonly used to create jewelry and figurines because it can be polished and easily carved. It is also called "aventurine glass," "Dell Roba," "monkstone," or "sandstone" (even though it doesn't resemble true sandstone). The process for creating goldstone was invented by the Miotti family in Venice in the 1600s when they received an exclusive license, however, Persians were known to be producing goldstone before that made evident by the discovery of a 13th century amulet. Goldstone is commonly created in a reddish-brown color, but can also form in green, purple and blue based on which elements are used in its manufacturing. The "sparkles" of red goldstone come from the metallic luster of large, octahedral copper crystals that form when molten glass is slowly cooled after it was heated to the poi