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Mineral Specimens | Phantom Calcite
$125.00
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$125.00
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There are not many of these around they are all in collections or lost on shelves. This piece is an excellent specimen of this locality. Would make a great addition to any collection.
Phantom calcite from the Ives Quarry in Racine, Wisconsin, is famous for its scalenohedral "dog-tooth" crystals that contain internal, repeating phantom growths of microscopic marcasite. These rare, highly sought-after specimens formed in the quarry's brecciated dolostone zones and are prized for their geometric clarity. [1, 2, 3, 4, 5]
Because Ives Quarry—formerly known as the Vulcan Materials Company Quarry—is an active commercial site, public collecting is generally prohibited. Today, Ives Quarry phantom calcite is considered a historical, "one-time find", meaning you will have to source these pieces through private mineral dealers or collector estate sales. [1, 2]
When acquiring these pieces, keep in mind:
- Crystal Habit: The calcite often forms sharp, translucent to colorless points up to 5 cm long.
- The Phantom Effect: The dark outlines inside the clear calcite are created by microscopic marcasite inclusions that settled on older crystal faces during growth.
- Market Availability: High-quality specimens appear occasionally on eBay or through specialty vendors like Mineral Auctions.
Details
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