mineral specimens
rare minerals
mineral dealer
systematic minerals
Black Hills minerals
fine minerals
mineral dealer
Dana minerals
IMA minerals
mineral collections
rock and minerals
gem crystal
2 items @ $85.00  

Chalcopyrite

#64557

Chalcopyrite

#64557
Availability
Sold
Size
5 x 2.5 x 2 cm - Miniature 
Formula
Cu1+Fe3+S2 (RRUFF)
Locality
French Creek mines, Chester Co., Pennslyvania, United States
Tagged
sulfide , copper

Old-timer specimen from a classic locality. Hoppered crystals to 1.5cm. See prov. for label. Ex. A.E. Seamen museum specimen.

Antique Specimen

Chalcopyrite

Formula
Cu1+Fe3+S2 
Crystal System
Tetragonal 
Crystal Habit
Euhedral Crystals, Striated, Druse 
Cleavage
Indistinct, None, None 
Luster
Metallic 
Color
brass yellow, honey yellow 
Streak
greenish black 
Class
Tetragonal - Scalenohedral 
Fracture
Brittle 
Hardness
3.5 

Data courtesy of Webmineral.

Collection
Ex. A.E. Seaman Museum
Special Info
Antique Specimen

Related Products

All photos by Dakota Matrix and are Copyrighted © and may not be used without permission. Copyright © 2025 - Dakota Matrix Minerals, Inc. Privacy | Terms & Conditions | Site Map