Violet Mn-CALCITE - Medford Quarry, Carroll Co., Maryland, USA
Rare violet colored Manganese-bearing Calcite, fluorescent red SW and LW UV, with inclusions of black Todorokite.
ex Tom McNelis
from Medford Quarry (Redland Genstar Quarry), Medford, Carroll County, Maryland, USA
Measures approximately 2.5 x 1.75 x 1 inch, 3.77 oz / 63 x 44 x 25 mm, 107g
Item # A0020721
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 power lamp = brighter response).