MAGNESIO-HORNBLENDE and fluorescent ALBITE - Philips Mine, Anthony's Nose, New York, USA
Dark green-black Magnesio-Hornblende in association with Albite (fluorescent weak red SW) and minor Epidote.
an old locality - the workings were started before 1835, now abandoned
Measures approximately 3.5 x 2.25 x 1.75 inch, 8.00 oz / 89 x 57 x 44 mm, 227g
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).