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2 Lb Willemite/Calcite Shortwave UV Fluorescent/Phosphorescent:
$62.99
This specimen contains Willemite and Calcite which are both brightly fluorescent under shortwave UV (picture #1, 254 nm UV) and glow under longwave UV (picture #2, 365 nm UV). The Willemite is also phosphorescent when exposed to shortwave UV, glowing for several seconds after the light is turned off (picture #3 shows phosphorescence).
Weight: 33.00 ounces (2 lbs 1 ounce)
Origin: Franklin, New Jersey
