17hlkmir ((STRONTIANITE)), VERY FLUORESCENT, $20 MINIMUM BID, Mt Pleasant Mills, Synder County, Pennsylvania, 10 x 9 x 3.5 cm, Cabinet | |
White mounds of acicular Strontianite crystals. The Strontianite is extremely Fluorescent with bright white to yellow white color when UVSW makes is look like light bulbs turned on. |