Check the listing for details. Hackmanite Spider Carving- UV Reactive- WYSIWYG. Condition: New. Listed at 135.00 USD. Tenebrescence is the ability of a mineral to change color when exposed to light, typically turning from colorless or pale to a more intense hue. In the case of hackmanite, this color change is reversible and can be induced by exposure to ultraviolet light.

$67.50
$135.00