caption: Special Properties Minerals that glow under ultraviolet light have a property known as fluorescence.
exif: {"Image DocumentName": "Special Properties Minerals that glow under ultraviolet light have a property known as fluorescence.", "Image ImageDescription": "Magnetite \u2013natural magnet. Uraninite \u2013radioactive. Calcite \u2013reacts with acid. Quartz \u2013produces a small electric current. It is used in microphone, radio transmitters, watches.", "Image XResolution": "300", "Image YResolution": "300", "Image ResolutionUnit": "Pixels/Inch", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}