Hackmanite | Afghanistan Iceland Spar Calcite These marine cephalopods are highly

These marine cephalopods are highly prized for their aesthetic

but other important localities include Burma

This item is 5” x 3” and weighs 40oz

and natural faceting

625" and weighs  1

Hackmanite | Afghanistan Iceland Spar Calcite These marine cephalopods are highlyHackmanite is a fluorescent, phosphorescent and also tenebrescent (reversible photochromism) mineral found in Afghanistan. It can be deep pink, blue, or purple but quickly fades to colorless when exposed to sunlight. The original color can be restored quickly by exposure to short wave ultraviolet light, or more slowly by storing it in a dark space. This item comes in a perky box with 3 pieces included and weighs 0. 3 oz (5 of 5 for store purposes only)