Rough Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Rough Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Copper and Quartz beads
Native Copper (Cu) and Crystalline Quartz (SiO2)
Scoria (Lava Rock)
Scoria (Basaltic Scoria)
Scoria (Lava Rock)
Vesicular Basalt / Scoria
Coquina (Fossiliferous Limestone)
Coquina (Organic Clastic Limestone)
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Green Jasper
Silicon Dioxide (SiO2) with impurities
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)
Map Jasper (Grey Picasso Jasper)
Silicon Dioxide (SiO2) with impurities
Galena
Galena (Lead Sulfide), PbS
Dalmatian Stone
Peralkaline igneous rock containing quartz, feldspar, and arfvedsonite
Quartz pebble
Silicon dioxide (SiO2)
Gneiss (Augen Gneiss)
Augen Gneiss
Fluorite (Rainbow or Multi-colored Fluorite)
Fluorite (Calcium Fluoride - CaF2)
Gneiss (Cobble)
Gneiss
Blue Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Quartz
SiO2 (Silicon dioxide)
Magnetite Nodule
Magnetite (Fe3O4)
Milky Quartz
Quartz (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Orange Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Milky Quartz
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Pyrite
Iron Sulfide (FeS2)
Pyrite (Fools Gold)
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Optical Calcite (Iceland Spar)
Calcium Carbonate (CaCO3)
Quartz
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Sulfide (FeS2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Hematite with Magnetite
Iron Oxide (Fe2O3)
Auriferous Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Pyrite
Iron Disulfide (FeS2)
Quartz Pebble
Silicon Dioxide (SiO2)
Pyrite in Matrix
Iron Sulfide (FeS2)