Fluorite octahedrons are an eight sided crystal form which comes in a number of colors. The octahedrons are from Illinois. The size of the octahedron is considered small size, approximately 1/2" from tip to tip. The color for the fluorite octahedron crystals is usually purple, but may also be violet, or clear. They are rare and hard to find. The price for one octahedron is $1.50. If more than one octahedron crystal is ordered, a variety of available colors will be given. (If you want matching colors, be sure to send an e-mail either before or immediately after ordering and we'll do our best.) The octahedron supply is limited with new sources hard to find for the unique fluorite octahedron crystals. They are great for mineral collectors and some use them for earrings. Sometimes one tip of the octahedron will break off and this is a perfect mounting place for glueing to a jewelry mounting. Check out the Grab bag special which contains one octahedron plus more mineral samples.