These crystals come from the single most famous and rare pocket of fluorite found in Peru, in 1980 or 1981, that consisted of gem pink octohedra with mint green cores. They almost never turn up on the market anymore! They have not been equaled or duplicated since. They remain unique to this time and place. This particular specimen has gem crystals to an inch that are completely read-through transparent, and show the mint green cores floating within the pink gem octohedra. Only a few very trivial dings or slight contacts mar the periphery, visible only upon very close inspection. The piece is almost a floater: Minor pyrite is attached to the backside, which is actually technically crystallized all around (it is crystallized against a contact face where growth was constrained, and not broken or cleaved). The pink color is better in person, than in the camera eye. Joe Budd photos.