Search Results for: Incandescent gas mantles not impregnated
***please note, these do exhibit a degree of fluorescence, so the color of these specimens varies with lighting, being more vibrant in sunlight, and somewhat more of a dark grape-jelly purple under incandescent, meaning that the contast between the crystal and the matrix may not always be as good as
***please note, these do exhibit a degree of fluorescence, so the color of these specimens varies with lighting, being more vibrant in sunlight, and somewhat more of a dark grape-jelly purple under incandescent, meaning that the contast between the crystal and the matrix may not always be as good as...
http://www.khyberminerals.com/collections/34/