Fluorite is one of the most varied colored minerals in the mineral kingdom, and the colors may be very intense and almost electric. Pure Fluorite is colorless; the color variations are caused by various inclusions. Colorless fluorite is rare and is prized by collectors. Locality, Russia. Dimensions: 2.5" L x 3.75" W x 4" H specimen. Dimensions with matrix 4" L x 4" W x 3" H.