Diamond
Carbon (C) - Native Element
mineral
Category
Mineral (Evaporite)
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
Learn about Mineral (Evaporite) in the encyclopedia
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Greenschist (Greenstone River Pebble)
Greenschist (Chlorite Schist)
metamorphic
Limonite/Goethite nodule
Goethite (FeO(OH)) with Hydrated Iron Oxides
mineral
Granitic Pegmatite
Coarse-grained Igneous Rock (Granitic composition: KAlSi3O8, SiO2)
igneous
Barite
Barium Sulfate (BaSO4)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Granite
Phaneritic plutonic rock (SiO2-rich)
igneous
Porphyritic Basalt
Porphyritic Basalt with Olivine phenocrysts
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Serpentine
Serpentinite (rock) containing serpentine minerals (e.g., Antigorite, Lizardite, Chrysotile)
Metamorphic rock
Granite
Granite (Felsic Plutonic Rock)
igneous
Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Diorite (Salt and Pepper Rock)
Diorite
igneous
Granite Pebble
Intrusive Felsic Igneous Rock (Granite)
igneous
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Diorite
Intrusive Igneous Diorite
igneous
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Granite
Intrusive igneous felsic rock
igneous
Granite Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2)
igneous
Concretion
Various mineral compositions, typically carbonate or iron oxide cemented sediment
Sedimentary
Gneiss
Gneiss
metamorphic
Granite
Granite (Mainly Quartz, Alkali Feldspar, and Plagioclase)
igneous
Amygdaloidal Basalt with Agate/Chalcedony Infills
Amygdaloidal Basalt (Composition: SiO2 and (Mg,Fe)2SiO4 in matrix; SiO2 in amygdule)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Greenstone with Magnetite Veins
Metabasalt (Greenstone)
metamorphic
Garnet-bearing Quartzite
Metamorphic rock containing Almandine Garnet (Fe3Al2(SiO4)3) and Quartz (SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartzite (predominantly SiO2)
metamorphic
Fossilized Coral (Petoskey Stone or similar Hexagonaria variant)
Hexagonaria percarinata (Fossilized Coral)
sedimentary
Kimberlite
Kimberlite
igneous
Snowflake Obsidian
Volcanic glass containing Cristobalite (SiO2)
igneous
Quartzite
Quartzite (SiO2)
metamorphic
N/A (The provided image is a storyboard/digital document)
N/A
Tuff with Quartz and Calcite Veining
Lithic Tuff (Silicified)
igneous
Sandstone (with potential iron-oxide staining)
Arenite (primarily SiO2)
sedimentary
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Epidote
Epidote - Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Pegmatite
Granitic Pegmatite
igneous
Schist (Diamond Drill Core)
Mica Schist
metamorphic
Banded Gneiss and Siltstone River Stones
Gneiss (High-grade Metamorphic Rock)
metamorphic
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic