Fluorite (color shift twinned crystals)

Item Description

These modern specimens from the Greenlaws Mine are excellent representations of Weardale material. This cabinet sized piece features a coverage of fine quality, gemmy to translucent penetration twinned cubes of Fluorite on matrix. The largest twinned Fluorite measures 1.1 cm on edge. Many of the Fluorite crystals on the piece feature unusual white "cotton" or "web" like inclusions that almost resemble ice forming on the windshield of a car. Overall the piece is in great shape, although it is contacted around the periphery where it was removed from the pocket wall. Like most Fluorites from the area, they perform a color change in different temperature lighting. The color in outdoor lighting shows a rich purple hue with gentle yellow tones mixed in. Indoors, the color lightens a bit with softer purples and yellows. As is typical for Weardale material, the piece glows under SW UV light. A nice eye-catching specimen of this classic contemporary material. Valued at $500 in the inventory. This mine was active from 1850-1884, but was reopened in 2010 with the purpose of collecting Fluorite specimens and studying the deposits around Weardale.