Fluorite Phantom Iceland Spar a ghost or phantom of

a ghost or phantom of the crystal during its formation still remaining in the interior

Beautifully preserved on slabs of flat shale

which over the course of millions of years becomes solid while retaining the semitransparent yellowish hue of tree sap

often radiating outward from a central axis

These well preserved and larger-sized fossils originate from the Monterey Formation in California

Fluorite Phantom Iceland Spar a ghost or phantom ofFluorite is one of the most variable of all crystalline minerals, occurring in shades of blue, green, purple, red and many other colors corresponding to their physical makeup and conditions when the mineral was formed. The name fluorite comes from its use as a flux, or chemical cleaning agent, in iron smelting and other metallurgy. Pure fluorite is clear, but most specimens have vivid color due to various impurities and are often fluorescent. With a