Gneiss
Gneiss
metamorphic
Category
Mixed (Igneous, Sedimentary, Metamorphic, And Minerals)
Browse mixed (igneous, sedimentary, metamorphic, and minerals) specimens identified by the Rock Identifier community.
Learn about Mixed (Igneous, Sedimentary, Metamorphic, And Minerals) in the encyclopedia
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Quartz
Silicon Dioxide (SiO2)
mineral
Biotite Schist
Biotite-rich Schist
metamorphic
Quartz pebble with a conchoidal chip
Silicon dioxide (SiO2)
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Gneiss
High-grade regional metamorphic rock (Foliated)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Gray/Smoky Varieties)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Gneiss
Gneiss
metamorphic
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Gneiss (High-grade Metamorphic Rock)
Gneiss
metamorphic
Green Gneiss
Metamorphic Gneiss
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Quartzite / Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
White Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Chrysocolla with Malachite
Cu2-xAlx(H2-xSi2O5)(OH)4%CnH2O (Chrysocolla)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Limonite (Iron Ore/Sandstone mixture)
Limonite (FeO(OH)·nH2O) often mixed with Goethite and sedimentary matrix
mineral
Bornite
Bornite (Cu5FeS4)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Boulder
Silicon Dioxide (SiO2)
mineral
Magnetite / Iron Ore (likely Hematite-Magnetite mix)
Magnetite (Fe3O4)
mineral
Gneiss
Gneiss
metamorphic
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz / Clear Quartz)
Silicon Dioxide (SiO2)
mineral
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral