Epidote
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Category
Browse sedimentary and igneous specimens identified by the Rock Identifier community.
Epidote
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
Chalcedony (Agate)
Cryptocrystalline Quartz (SiO2)
Gneiss (Pebble)
Gneiss
Hematite (Iron Ore)
Hematite (Fe2O3)
White Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Gneiss (with iron staining)
Gneiss
Clear Quartz
Silicon Dioxide (SiO2)
White Quartz Pebbles
Quartz (Silicon Dioxide, SiO2)
Gneiss
Gneiss
Quartz (Clear/White)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Gneiss
Gneiss
Gneiss
High-grade regional metamorphic rock (Foliated)
Hematite
Iron(III) oxide (Fe2O3)
Fluorite (Blue)
Calcium Fluoride (CaF2)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Carnelian Agate
Carnelian (SiO2 with iron oxide impurities)
Banded Agate (Pink Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Blue Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Gneiss
Gneiss (High-grade Regional Metamorphism)
Pyrite
Iron Sulfide (FeS2)
Magnetite or Magnetic Iron Ore
Magnetite (Fe3O4)
Amethyst with Marcasite accents
Amethyst (Silicon Dioxide SiO2) and Marcasite (Iron Sulfide FeS2)
Hematite (Tumbled)
Iron(III) oxide (Fe2O3)
Quartz Pebble
Silicon Dioxide (SiO2)
Feldspar
Potassium Feldspar (KAlSi3O8)
Pyrite
Iron Sulfide (FeS2)
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Chalcedony (Agate/Jasper mix)
Cryptocrystalline Sillimanite (Quartz) - SiO2
Milky Quartz
Silicon Dioxide (SiO2)
Green Gneiss
Metamorphic Gneiss
Gneiss
Gneiss
Quartz (Tumbled)
Silicon Dioxide (SiO2)
Gneiss with Quartz Vein
Metamorphic Gneiss
Gneiss
Gneiss (foliated metamorphic rock)
Banded Gneiss Pebble
Banded Gneiss
Gneiss
Gneiss
Banded Chalcedony (Agate)
Cryptocrystalline Quartz (SiO2)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)