Large Etched Purple-Blue Fluorite Twin, Yaogangxian

Fluorite shines in this stunning purple-blue twin specimen, a masterpiece from the renowned Yaogangxian mine in Hunan Province, China. This locality is well-known among mineral collectors for producing high-quality fluorite crystals with exceptional color and form. The specimen features the cubic crystal system typical of fluorite (CaF₂), exhibiting sharp, well-defined twin crystals with an etched surface that adds depth and texture to its appearance.

The specimen displays a vibrant mix of purple and blue hues with notable phantom zoning within the crystals, creating an intriguing visual complexity. The crystals possess a vitreous luster and are semi-transparent, allowing light to pass through and enhance their natural beauty. With a Mohs hardness of 4, fluorite requires careful handling to avoid scratches or damage, especially considering the delicate etched surface that highlights its geological history.

This piece holds particular collector value due to its rarity as a twin formation from Yaogangxian and its display-quality aesthetics. Its combination of color zoning, etching, and crystal form make it a distinctive addition to any mineral collection or geology enthusiast’s display. To maintain its appearance, it is recommended to keep the specimen away from prolonged direct sunlight and clean it gently with a soft brush or cloth.

Yaogangxian tungsten mine, Hunan, China — premier modern source of collector-grade fluorite with quartz overgrowths and purple windows.