20076 - Museum Grade 6.46 Inch Eudolatites sp Upper Ordovician Trilobite Knightia Fluorite optics are also usable
Yard notes & kiln story
Description
20076 Museum Grade 6.46 Inch Eudolatites sp Upper Ordovician Trilobite Knightia Fluorite optics are also usable Fluorite optics are also usable in the far ultraviolet and mid infrared ranges and may form pseudomorphs with these minerals