Scheelite with Lollingite

specimen number:
9506505

location:
Huanggang Mines, Keshiketeng Co., Chifeng, Inner Mongolia, China

description:

An outstanding example for the species from this Chinese locality, a large thick lustrous double terminated crystal of scheelite set up on a small amount of matrix and associated with metallic crystallized lollingite. This is crystallized completely all around and in outstanding condition. Brightly fluorescent under shortwave ultraviolet light.

The Huanggang Mines, situated in the Hexigten Banner of Inner Mongolia within the Great Hinggan Mountains, comprise a massive skarn-type iron and tin deposit. Geologically, the area formed through the intense thermal and chemical interaction of Late Mesozoic granitic intrusions with Permian limestone and marble strata, creating an environment exceptionally rich in iron, tin, and boron. Mineralogically, the complex skarn zones are world famous for producing an incredible diversity of pristine mineral specimens, including striking clusters of lollingite, vibrant fluorite, superb ilvaite and various silicates and oxides. Historically, large-scale industrial mining began in the late 1990s for iron and tin extraction, but the site gained international renown among mineral collectors in the 21st century for yielding some of the finest aesthetic crystal specimens ever discovered.

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