Fluorite

specimen number:
1115290

location:
Hammam-Zriba Mine, Zriba-Village, Zaghouan, Tunisia

description:
Unusual locality example with mostly colorless gemmy cubic crystals of fluorite with minor aragonite. In great condition. I personally collected this piece in the late 1990s.

The Hammam-Zriba Mine, located near Zriba-Village in the Zaghouan province of northeastern Tunisia, is a prominent fluorite and barite mining district. Geologically, the deposit is situated along the major regional Zaghouan Fault zone, where stratabound and vein-type mineralization formed within Jurassic carbonates and Cretaceous sedimentary sequences through the circulation of hydrothermal basinal brines. Mineralogically, the deposit is famous for its abundant fluorite and barite, often displaying striking banded structures, alongside subordinate sulfides like sphalerite and galena. Historically, modern commercial exploitation of the deposit began during the late 20th century, with intensive industrial production taking place primarily from 1970 until operations wound down in 1992.

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