| 14btab.iss ((RARE WURTZITE)), MIDWAVE FLUORESCENT, $60 MINIMUM BID, Horn Silver Mine, Frisco, Beaver County, Utah, 4 x 3 x 2.5 cm, Miniature | |
_small.jpg) | Best fluorescence is with short wave with the Wurtzite crystal grains Fluoresce in many colors. It also is triboluminescent which gives off light that looks like sparks when struck or scatched. Horn Silver Wurtzite is famous world wide but in limited supply from old collections. Mine is too dangerous to collect with the entrance being a deep narrow shaft with no guarantees of finding any of the Wurtzite when risking your life. I only know of one person in the past 20 years that actually decending the long narrow shaft to collect. He was lucky and found some specimens of which this was one. He sold a few in Tucson about 10 to 15 years ago and one like this have a price of $150 to $200 which seems high but he took the risk to collect one time this limited material and actually found some. I acquired it through a trade for a group of other fluorescent specimen |
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