fluorescent CALCITE with Todorokite - Medford Quarry, Carroll Co., Maryland, USA
Large specimen of Calcite cleavages, some faces lustrous, included with brown Todorokite. Fluoresces in shades of red and magenta-pink SW and LW. Very brief phosphorescent flash – move lamp away very quickly to observe.
this specimen is featured on mindat, minID: QW8-UKP
from Medford quarry (Redland Genstar), Medford, near Westminster, Carroll County, Maryland, USA - a limited access locality
Measures approximately 4 x 3.5 x 2.5 inch, 2 lbs 13.85 oz / 102 x 89 x 63 mm, 1300g
Price: 80.00 USD
Item # A0010215
To show the fluorescent response the specimen was illuminated using 6 watt 254nm(Short Wave) / 366nm (Long Wave) UVGL-58 lamp (you need a proper UV light source to observe the fluorescence, more powerful lamp = brighter response).
Crystal Prospect