PYRITE from Washington State
FeS2
 
PYRITE coating CALCITE and drusy QUARTZ
Cadman Quarry
 
Globular PYRITE with white CALCITE
Capitol Forest Quarries
 
QUARTZ scepter with cubic PYRITE inclusion
 reflected in all six termination faces
Clipper View Claim
 
Japan-law twin QUARTZ cluster with PYRITE
Denny Mountain Skarn
 
Brilliant PYRITE intergrown with GOETHITE
Green Ridge Breccia
 
QUARTZ with pyritihedral PYRITE inclusion
Green Ridge Breccia
 
Complex PYRITE
Green Ridge Breccia
 
GOETHITE partial pseudomorph after PYRITE
Lower photo shows a close-up of the cube. Small octahedral modifications are visible.
Hansen Creek
 
QUARTZ with euhedral PYRITE inclusions
Hansen Creek
 
Filiform PYRITE with PALYGORSKITE on CALCITE
Pend Oreille Mine
 
CALCITE with PALYGORSKITE and minor PYRITE
Pend Oreille Mine
 
SPHALERITE with QUARTZ crystals, PALYGORSKITE and minor PYRITE
Pend Oreille Mine
 
Light bluish-gray TALC pseudomorph after ANTHOPHYLLITE ? with PYRITE and minor QUARTZ
Quartz Creek Mine (Rainy Mine)
 
BARITE with QUARTZ and PYRITE
Spruce Ridge
 
PYRITE and QUARTZ
Spruce Ridge
 
CHALCOPYRITE epitactic on PYRITE
Spruce Ridge
 
PYRITE
Spruce Ridge
 
Octahedral PYRITE
Spruce Ridge
 
PYRITE cubes in matrix
Wenatchee Ridge