Specimen #483

Name: Calcite on Fluorite

Type: Mineral

Locality: Hardin County, Illinois, USA

Favorite? N

Fluorescent? N

Size: 6.7 x 4.6 x 6.0 cm


Acquired: 2007-09-11

Source: Arkenstone Auction

Label: Y

Comment: A classic Illinois combination - very dark purple crystals of fluorite, to 1.3 cm, in association with a cluster of etched yellow calcites. Calcite has selectively coated some of the faces of the fluorites, as well.

Minerals: Calcite (CaCO3) Fluorite (CaF2)

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