Illinois Fluorite 1

 

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If you have any questions about the house please e-mail me at rgangue@yahoo.com

 

Welcome to the Emineralshow presentation of the Minerals of Southern Illinois Fluorspar district. The mines here have produced what is arguably the widest variety of colorful fluorite specimens in the world. Many outstanding specimens of associated minerals have also been found. Outstanding specimens of calcite, barite, sphalerite, galena and strontianite often in combinations with each other and fluorite were produced. The world's best specimens of the rarer minerals witherite and benstonite were also found. Unfortunately the mines have now been closed for a number of years and no new specimens are coming out. The minerals on the following pages have been purchased from old collections or have been put back in my personal stash for a number of years now and represent a wide range from the World's greatest fluorite mines.

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IF1-1  Fluorite

Cave-In-Rock District, Rosiclare, Hardin Co., IL; 8.5 x 6.5 cm

You can tell this is an old timer by its color.  Deep purple zone only a couple of mm thick transform the almost colorless interior into dark purple.  Looks neat when backlit.  This piece likely came out over 40 years ago.  Several corners are nicked but still a nice unusual piece.   $45

strontianite_minerva1a.jpg (51517 bytes) strontianite_minerva1b.jpg (48858 bytes) IF1-5  Strontianite

Minerva #1 Mine, Cave-In-Rock District, Hardin, Co., IL;   8.5 x 5 cm

When you pick this piece up you are surprised by it's weight.  There is a lot of amber colored strontianite on a little fluorite base.   Super sample in excellent condition.   $50  Reserved

calcite_hardin2a.jpg (43766 bytes) calcite_hardin2b.jpg (33570 bytes) IF1-12   Calcite

Annabel Lee Mine, Harris Creek District, Hardin Co., IL;  7 x 5.5 cm

Nice group of hexagonal crystals with low rhombohedral terminations.  The piece is completely made up of calcite crystals that cover both sides of the specimen.   $15 Reserved

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IF1-13  Calcite and Fluorite - Annabel Lee Mine, Hardin Co., IL;  7.5 x 5 cm

Light blue fluorite group with a rare scepter calcite crystal (I've never seen one before from here) tucked away just off center.  The color is much truer in the close-up.  Overall in excellent condition with only micro nicks except for one edge that faces away from view.  $90

sphalerite_hardin2a.jpg (95604 bytes) sphalerite_hardin2b.jpg (88958 bytes) IF1-17    Sphalerite and Barite

Harris Creek District, Hardin Co., IL;  9 x 7 cm

Super lustrous sphalerite crystals richly laying on the matrix with a couple of barite blades.   $20  Reserved

 

 

barite_strontian_hardin1a.jpg (70469 bytes) barite_strontian_hardin1b.jpg (52452 bytes) IF1-20    Strontianite on Barite on Fluorite

Minerva #1 Mine, Cave-In-Rock District, Hardin Co., IL;  7 x 7 cm

Four sprays of strontianite to over 1 cm are scattered around the sharp chisel style bladed barite crystals.  The barite crystals cover 85% of both sides of this piece so well it is hard to decide which way to display it.  This is an unusual combination of minerals for the District and would help to fill out a suite.  $40 Reserved

 

barite_flour_hardin2a.jpg (47155 bytes) barite_flour_hardin2b.jpg (56769 bytes) IF3 - 1  Barite, Fluorite and Calcite - Minerva #1 Mine, Cave-In-Rock District, Hardin Co., Il;  6 x 4 cm

Very cool specimen covered on both sides by crystals.   Bright white sparkling barite crystals some in almost stalactitic form.  The back side is comprised of small pale lavender fluorite cubes sprinkled with drusy barite and a couple of calcite scalenohedron.  This piece is chioce with the only damage a couple of broken calcites on the back side with the fluorite.  $50

witherite_fluor1a.jpg (50893 bytes) witherite_fluor1b.jpg (44462 bytes) IF3 - 6  Witherite and Fluorite - Minerva #1 Mine, Hardin Co., IL;  8.5 x 5.5 cm

Short stubby witherite crystals cover most of the surface.  The thing that makes this piece unusual is the purple fluorite cube in association.  I don't remember ever seeing anything except yellow fluorite that has been heavily etched with witherite before.   The fluorite is etched from underneath but still has a 4 cm edge perched above the witherite below.  Not pretty but super rare association and from my personal Southern Illinois collection.  $200

galena_sph_hardin2a.jpg (58530 bytes) IF3 - 7  Galena and Sphalerite - Denton Mine, Hardin Co., IL;  7.5 x 5.5 cm

Nice sized cubes of galena to 2.5 cm with octahedral corners and good luster.    Sharp sphalerite crystals shows flashes of red.  There is some damage to the galena but still a super reference sample for a Hardin Co., IL suite.  $35

strontian_calcite_hardin3a.jpg (47009 bytes) strontian_calcite_hardin3b.jpg (37288 bytes) IF3 - 9  Strontianite on Calcite on Fluorite - Minerva #1 Mine, Hardin Co., IL;   7 x 6 cm

Hundreds of calcite crystals completely cover pale blue fluorite cubes.   There are some nice sprays of strontianite set aesthetically in the middle of the display area.  The piece is in good condition with minor damage to some calcites.   $20  Reserved

E-mail me at rgangue@yahoo.com

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