Calcite with Fluorite
specimen number:
2013388
location:
Minerva Mine #1, Hardin Co., Illinois, USA
description: The Minerva Mine No. 1 in Hardin County, Illinois was part of the Illinois Kentucky Fluorspar District, a major source of fluorite in the United States during the 20th century. The mine was developed to work fluorite vein deposits hosted in limestone and produced fluorite along with associated minerals such as calcite, galena, and sphalerite. Underground mining operations supplied fluorspar used in the steel and chemical industries. The locality later became well known among mineral collectors for colorful fluorite and calcite specimens from southern Illinois.
An attractive chatoyant crystallized ball of calcite 6.0 cm in diameter set beautifully up on crystallized fluorite. This is in super condition. Collected in the mid 1970s. Complete all around.
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