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Calcite
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Calcite (Ref: 1603107)

Knoxville, Marion Co., Iowa, USA
110mm x 80mm x 45mm
$205
A classic specimen from Iowa, this lightly collected in the 1960s. The specimen exhibits two generations of crystallized calcite, the first a dark brown color that is almost botryoidal in nature. The second generation are sparkling snow white crystals of calcite in groupings to 2.0 cm in size. Very minimal damage present, all of the prominent crystals are in good condition. These used to come from the old coal strip mines in the area. This is fluorescent under longwave ultraviolet light.
Data last checked on 22nd Apr 2025 - specimen may no longer be available

From: Weinrich Minerals
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See Also

Calcite
Boron Open Pit, Kern Co., California, USA
$200
85mm x 50mm x 50mm
From: Marin Minerals
Calcite with Pyrite
Cemetery Ridge Development, Sweetwater mine, Viburnum Trend, Reynolds Co., Missouri, USA
$210
70mm x 50mm x 40mm
From: Weinrich Minerals
Calcite with Pyrite
Cemetery Ridge Development, Sweetwater mine, Viburnum Trend, Reynolds Co., Missouri, USA
$210
70mm x 55mm x 20mm
From: Weinrich Minerals
Calcite
Wayne Co., Missouri, USA
$215
95mm x 70mm x 50mm
From: Weinrich Minerals
Calcite
Huerfano Co., Colorado, USA
$180
210mm x 108mm x 67mm
From: Bob Griffis Minerals
Calcite
Huerfano Co., Colorado, USA
$175
143mm x 95mm x 71mm
From: Bob Griffis Minerals
Calcite
Viburnum #29 mine, Viburnum Trend, Washington Co., Missouri, USA
$175
80mm x 33mm x 30mm
From: Weinrich Minerals
Calcite
Reynolds Co., Missouri, USA
$175
95mm x 50mm x 40mm
From: Weinrich Minerals
Calcite
Cemetery Ridge Development, Sweetwater mine, Viburnum Trend, Reynolds Co., Missouri, USA
$245
135mm x 120mm x 40mm
From: Weinrich Minerals
Quartz with Calcite
Bog Mine, American Fork Mining District, Wasatch Mountains, Utah Co., Utah, USA
$150
60mm x 50mm x 30mm
From: Marin Minerals
Galena with Calcite
Mid-Continent Mine, Treece, Picher Field, Cherokee Co., Kansas, USA
$150
50mm x 50mm x 35mm
From: Marin Minerals
Calcite
Huerfano Co., Colorado, USA
$150
104mm x 65mm x 55mm
From: Bob Griffis Minerals
Chalcopyrite on Calcite
Brushy Creek Mine, Viburnum Trend, Reynolds Co., Missouri, USA
$150
67mm x 35mm x 30mm
From: Marin Minerals
Calcite
Pelican Mine, Joplin Field, Jasper Co., Missouri, USA
$150
120mm x 90mm x 40mm
From: Weinrich Minerals
Calcite
Wayne Co., Missouri, USA
$150
90mm x 60mm x 30mm
From: Weinrich Minerals
* price is an approximate conversion and may not be accurate.

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