fluorescent WOLLASTONITE in black CALCITE - Sterling Mine, Ogdensburg, New Jersey, USA
Yellow SW and pale-yellow LW fluorescing Wollastonite crystals in smoky-gray Calcite, with green Diopside, minor brown Garnet and Pyrite.
the smoky color of Calcite is due to high manganese content; a rare near-surface occurrence with Wollastonite
Measures approximately 3.5 x 3.5 x 1.5 inch, 1 lb 12.50 oz / 89 x 89 x 38 mm, 807g
Price: 400.00 USD
Item # A0130416
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).