| Country of Origin | United States |
|---|
Check the listing for details. Classic Phosphorescent Franklin Fluorescent mineral rock T40. Condition: Used, Made in United States. Listed at 18.99 USD. This is a rock sourced from Franklin, NJ and is a classic red calcite and phosphorescent green willemite with franklinite. The brief phosphorescence is only in shortwave UV. Photos # 1 through 4 are shortwave UV, while Photos # 5 and 6 are in Longwave UV with an Engenious Designs 365nm flashlight, where the colors can still be seen well.
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