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0 item @ $0.00  

Calcite phantom

#PD37852

Calcite phantom

#PD37852
Availability
Sold
Size
5.5 x 4 x 5 cm - Sm Cabinet 
Formula
CaCO3 (RRUFF)
Locality
Shullsburg, Lafayette Co., Wisconsin, United States
Tagged
carbonate

A large second generation 4cm rhombic Calcite crystal on a previous Calcite growths. The specimen features a good phantom crystal (last photo) can be easily seen in person as a large scalenahedral crystal shooting up through the center of the larger rhombic crystal cap.

The area of Shullsburg, Lafayette County in the southwestern corner of Wisconsin contains numerous old mines and are a major part of Upper Mississippi Valley zinc-lead district. This district covers areas in the neighboring states of Iowa and Illinois. Crystals such as these, common at one time, are very hard to obtain these days. Very minor scuffying on this specimen.

Calcite

Formula
CaCO3 
Crystal System
Trigonal 
Crystal Habit
Crystalline - Coarse, Stalactitic, Massive 
Cleavage
Perfect, Perfect, Perfect 
Luster
Vitreous (Glassy) 
Color
colorless, white, pink, yellow, brown 
Streak
white 
Class
Trigonal - Hexagonal Scalenohedral 
Fracture
Brittle - Conchoidal 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection
Mineralpedia
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On Dakota Matrix
Previously Sold Calcite
On Dakota Matrix
Other Available Calcite
WebMineral
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Mindat
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