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Id 5
Identification Type Mineral
Name Pyrite
Distinguishing Features Opaque
euhedral
Description Opaque (black). Yellow in reflected light. Pleochroism and birefringence not applicable. Euhedral, framboidal, space-filling shapes. May coat or replace organic matter. Occurs in organic-rich or reduced sediments. Common in lacustrine, wetland, estuarine, and marine environments.
Tags Cubic
Octahedral
Framboidal
sulfide
External Resources Pyrite on MinDat
Imposters
Images
Unique Identification: Pyrite
Site name: Crater Lake
Light type: Plane-Polarized Light
Magnification: 400x
Submitted by: Amy Myrbo
Notes: none
Image Tags: none
Unique Identification: Pyrite
Site name: not specified
Light type: Plane-Polarized Light
Magnification: 400x
Submitted by: Amy Myrbo
Notes: filling-diatom
Image Tags: none
Unique Identification: Pyrite
Site name: not specified
Light type: Plane-Polarized Light
Magnification: 400
Submitted by: Guy Rothwell
Notes: pyrityohedra zeolites
Image Tags: none
Unique Identification: Pyrite
Site name: Angola Basin, SE Atlantic (19 11.26 S, 9 23.17 E)
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: Guy Rothwell
Notes: Clusters of framboidal pyrite enclosed within centric diatom frustules, isolated and clustered pyrite framboids and biogenic siliceous debris also in the field, framboid centric-diatoms siliceous-debris biogenic-silica
Image Tags: none
Unique Identification: Pyrite
Site name: Western edge of the Sigsbee Deep, Gulf of Mexico (23 47.80 N, 94 46.09 W)
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: Guy Rothwell
Notes: Euhedral pyrite, forms include discrete octahedra and pyritohedra. Clumps of clay and colourless prismatic zeolite crystals also in the field, pyritohedra octahedra prismatic zeolite clay
Image Tags: none
Unique Identification: Pyrite
Site name: not specified
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: Guy Rothwell
Notes: Euhedral pyrite, forms include discrete octahedra and pyritohedra. Clumps of clay and colourless prismatic zeolite crystals also in the field, pyritohedra octahedra prismatic zeolite clay
Image Tags: none
Unique Identification: Pyrite
Site name: Angola Basin, SE Atlantic (19 11.26 S, 9 23.17 E)
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: Guy Rothwell
Notes: Cluster of framboidal pyrite enclosed within centric diatom frustule, isolated and clustered pyrite framboids and biogenic siliceous debris also in the field, framboid centric-diatoms siliceous-debris biogenic-silica
Image Tags: none
Unique Identification: Pyrite
Site name: Angola Basin, SE Atlantic (19 11.26 S, 9 23.17 E)
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: Guy Rothwell
Notes: Dispersed framboidal pyrite, framboidal pyrite within foraminifera test, centric diatoms and diatom debris and clumps of clay in the field, framboid centric-diatoms siliceous-debris biogenic-silica clay
Image Tags: none
Unique Identification: Pyrite
Site name: Titicaca
Light type: Plane-Polarized Light
Magnification: 630
Submitted by: Blas Valero
Notes: opaque isotropic euhedral cubic
Image Tags: none
Unique Identification: Pyrite
Site name: Big Soda Lake
Light type: Plane-Polarized Light
Magnification: 630
Submitted by: Michael Rosen Blas Valero
Notes: isotropic euhedral opaque
Image Tags: none
Unique Identification: Pyrite
Site name: Malawi
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: AM
Notes: none
Image Tags: diatom
Unique Identification: Pyrite
Site name: Green Pepper Lake
Light type: Plane-Polarized Light
Magnification: not specified
Submitted by: not specified
Notes: none
Image Tags: none