Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Category
Mineral Based Alloy (Anthropogenic)
Browse mineral based alloy (anthropogenic) specimens identified by the Rock Identifier community.
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Conglomerate
Conglomerate (Clastic Sedimentary Rock)
Sedimentary
Gastropod Steinkern (Fossil Snail Internal Mold)
Class Gastropoda (Internal Mold)
sedimentary
Conglomerate
Conglomerate (SiO2, Al2O3, Fe2O3, CaCo3)
sedimentary
Diorite
Diorite (Intermediate plutonic rock)
igneous
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Fossiliferous Limestone (containing Brachiopods)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Amber
Succinite (Carbon-based organic compound; approximate formula C10H16O)
Mineraloid
Orange Tabby (Felis catus)
Felis silvestris catus (variety: Red Mackerel Tabby)
Organic/Biological specimen (Non-Mineral)
Chert (specifically Yellow/Common Opal or Jasper mixture)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (likely Flint)
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Yellow Jasper variant)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (specifically Gray/Tan Bedded Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Conglomerate
Conglomerate (Detrital sedimentary rock)
sedimentary
Picasso Stone
Metamorphosed Calcium Carbonate (Limestone)
sedimentary
Ferruginous Sandstone (Ironstone Nodules)
Ferruginous Quartz-Arenite (with Goethite/Hematite cement)
sedimentary
Conglomerate
Conglomerate
sedimentary
Conglomerate
Conglomerate (Clastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
River Stone / Siltstone
Siltstone (composed of lithified silt)
sedimentary
Heat-Treated Citrine (Amethyst-based)
Quartz (Silicon Dioxide) - SiO2
mineral
Emerald
Beryl (Be₃Al₂Si₆O₁₈), specifically the green variety colored by trace amounts of chromium or vanadium.
Mineral
Puddingstone
Conglomerate (typically quartz-rich or jasper-rich)
sedimentary
Granitic Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
not a rock (Man-made industrial metal)
Granite (Alkali-feldspar Granite)
Granite (composed primarily of Quartz, K-Feldspar, and Plagioclase)
Igneous
Banded Iron Formation (BIF)
Magnetite-Hematite Chert (Banded Iron Formation)
sedimentary
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
metamorphic
Breccia
Clastic Breccia
sedimentary
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Quartzite
Quartzite (SiO2)
metamorphic
Conglomerate
Conglomerate (Clastic sedimentary rock)
sedimentary
Blue Dyed Agate Geode Slice
Chalcedony (Silicon Dioxide, SiO2) with artificial cobalt/iron-based dye
mineral
Jade (likely Nephrite Jade based on appearance)
Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2)
Mineral
Gold
Aurum (Elemental Gold, Au)
Mineral, Metal (element)
Quartzite
Quartzite (SiO2)
metamorphic
Chalk (Sedimentary Limestone)
Calcite (CaCO3)
sedimentary
Chert / Flint
Cryptocrystalline Quartz (SiO2)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Conglomerate
Conglomerate Rock (Paraconglomerate)
sedimentary