Pyrite Cubes in Matrix
Iron Disulfide (FeS2) in Host Matrix
Category
Browse mineral side rock specimens identified by the Rock Identifier community.
Pyrite Cubes in Matrix
Iron Disulfide (FeS2) in Host Matrix
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Basalt with Quartz Vein and Weathering Crust
Amygdaloidal or Porphyritic Basalt
Shiva Eye Shell (Operculum)
Calcium Carbonate (Aragonite), CaCO3
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Epidote in Basalt
Epidotized Basalt (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH) in Mafic Igneous Host)
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Quartzite river pebble
Quartzite (SiO2)
Crinoid Fossil Stem Segment
Class Crinoidea (Echinodermata)
Epidosite (Epidote-rich rock)
Epidotalite (primarily Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH))
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Epidote
Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Epidote
Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)
Iron Meteorite (likely Chondrite or weathered Iron-Nickel)
Meteorite (Fe-Ni alloy & silicates)
Herkimer Diamond
Quartz (Silicon Dioxide, SiO2)
Epidosite (Epidote-rich rock)
Epidosite (consisting primarily of Epidote: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Granite
Granite (phaneitic intrusive igneous rock)
Epidotite (Unakite variety)
Epidotized Granite (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Note: Item is not a geological specimen
Polyester mesh and Ethylene-vinyl acetate (EVA) polymer
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Epidote
Epidote Group (e.g., Clinozoisite, Epidote, Piemontite), Epidote formula: Ca2(Al,Fe)3(SiO4)3(OH)
Clear Quartz Crystal
Silicon Dioxide (SiO2)
Sandstone (Micaceous)
Arenite (primarily SiO2 with Phyllosilicates)
Epidote in Matrix
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Epidote
Epidote {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Epidote
Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Epidote (Unakite-related)
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
Garnet Schist
Almandine-Garnet Schist
Quartz Crystal Point
Silicon Dioxide (SiO2)
Epidote
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Epidote (likely Unakite component or Epidosite)
Epidote (Ca2(Al2Fe)(SiO4)(Si2O7)O(OH))
Brachiopod Fossil in Shale
Phylum Brachiopoda (often species of Order Spiriferida or Rhynchonellida)
Quartz Crystal Cluster on Matrix
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Epidote
Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Amethyst
Amethyst (SiO2)