- HECK-225
- Pyrite Ps. After Pyrrhotite With Sphalerite & Quartz
- Potosi Mine, Santa Eulalia, Chihuahua, Mexico
- Cabinet
- 10.4 x 7.9 x 6.5 cm
SOLD
- HECK-224
- Pyrite
- Mina Washington, Rio Sonora Valley, Sonora, Mexico
- Cabinet
- 11.9 x 11.4 x 7.4 cm
SOLD
- HECK-202
- Pyrite
- Mina Maria (Vieja), Puerto de Cananea, Sonora, Mexico
- Small Cabinet
- 6.6 x 6.6 x 5.7 cm
SOLD
- J12-485
- Rhodochrosite With Pyrite
- Santa Eulalia, Chihuahua, Mexico
- Cabinet
- 10.0 x 7.2 x 2.9 cm
SOLD
- J12-458
- Chalcopyrite, Pyrite & Tetrahedrite
- Mina Maria, Puerto de Cananea, Sonora, Mexico
- Cabinet
- 10.8 x 9.8 x 7.5 cm
SOLD
- J12-465
- Fluorite, Pyrite
- Naica, Chihuahua, Mexico
- Small Cabinet
- 9.0 x 6.2 x 6.0 cm
SOLD
- DEN11-398
- Pyrite
- TXI Cement Quarry, Midlothian, Texas, USA
- Cabinet
- 10.2 x 7.2 x 7.0 cm
SOLD
- HECK-134
- Pyrite After Pyrrhotite
- Santa Eulalia, Chihuahua, Mexico
- Small Cabinet
- 5.9 x 4.9 x 4.3 cm
SOLD
- HECK-133
- Fluorite With Pyrite & Calcite
- Santa Eulalia, Chihuahua, Mexico
- Small Cabinet
- 6.8 x 6.3 x 3.4 cm
SOLD
- HECK-117
- Quartz With Pyrite
- Santa Eulalia, Chihuahua, Mexico
- Cabinet
- 9.7 x 6.4 x 5.8 cm
SOLD
- HECK-110
- Pyrite Ps. After Pyrrhotite & Galena
- Naica, Chihuahua, Mexico
- Small Cabinet
- 7.3 x 5.6 x 5.5 cm
SOLD
- HECK-104
- Tetrahedrite & Pyrite
- Concepcion del Oro, Zacatecas, Mexico
- Cabinet
- 10.2 x 9.1 x 5.2 cm
SOLD
- HECK-071
- Fluorite on Galena With Bournonite and Pyrite
- Naica, Chihuahua, Mexico
- Cabinet
- 9.4 x 7.4 x 4.5 cm
SOLD
- HECK-039
- Pyrite
- Zacatecas, Mexico
- Small Cabinet
- 7.8 x 5.6 x 2.5 cm
SOLD
- HECK-038
- Fluorite With Galena and Pyrite
- Naica, Chihuahua, Mexico
- Small Cabinet
- 7.7 x 6.2 x 4.5 cm
SOLD
- HECK-025
- Fluorite on Galena With Pyrite Ps Pyrrhotite
- Naica, Chihuahua, Mexico
- Cabinet
- 12.4 x 8.1 x 4.5 cm
SOLD
- HECK-023
- Galena on Pyrite With Calcite
- Naica, Chihuahua, Mexico
- Small Cabinet
- 8.4 x 7.9 x 3.9 cm
SOLD
- HECK-019
- Calcite on Sphalerite and Pyrite
- Naica, Chihuahua, Mexico
- Cabinet
- 11.4 x 7.2 x 6.4 cm
SOLD
- J11T-170
- Chalcopyrite on Pyrite
- Recuerdo Vein, Huanzala Mine, Huallanca District, Dos de Mayo Province, Huanuco Department, Peru
- Miniature
- 4.7 x 3.9 x 3.5 cm
SOLD
- TUC104-45
- Pyrite on Quartz
- Spruce Claim (Spruce Ridge), Goldmyer Hot Springs, King Co., Washington, USA
- Small Cabinet
- 6.3 x 3.6 x 3.2 cm
SOLD
- TUC104-42
- Rhodochrosite With Pyrite
- Oppu mine, Nishimeya-mura, Aomori Prefecture, Tohoku Region, Honshu Island, Japan
- Small Cabinet
- 7.2 x 5.6 x 1.8 cm
SOLD
- TUC104S-13
- Pyrite on Hematite
- Rio Marina, Elba Island, Livorno Province, Tuscany, Italy
- Large Cabinet
- 16.0 x 14.0 x 9.0 cm
SOLD
- TUC10-338
- Fluorite With Galena, Pyrite
- Huanzala Mine, Huanuco Dept., Peru
- Cabinet
- 10.3 x 7.3 x 7.0 cm
SOLD
- MD-162813
- Zinkenite, Pyrite
- Itos Mine, Oruro City, Cercado Province, Oruro Department, Bolivia
- Cabinet
- 10.1 x 4.7 x 2.4 cm
SOLD
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