Fancy Jasper
Agate (Silicon Dioxide, SiO2)
sedimentary
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
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Epidote (Unakite component) / Green Quartzite
Ca2(Al,Fe)3(SiO4)3(OH)
metamorphic
Chalcedony (specifically Agate or Carnelian variety)
Cryptocrystalline Silica (SiO2)
mineral
Yellow Agate
Chalcedony (cryptocrystalline silica), SiO2
mineral
Gray Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Rough Diamond
Carbon (C)
mineral
Raw Diamond
Diamond (pure Carbon, C)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
mineral
Slate
Foliated Metamorphic Rock (primarily composed of quartz, illite, chlorite, and micas)
metamorphic
Schist
Schist (various mineral compositions)
metamorphic
Quartz (Grain)
Silicon Dioxide (SiO2)
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper (possibly Brecciated)
Jasper (Silicon Dioxide, SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Biotite Mica
K(Mg, Fe)3AlSi3O10(F, OH)2
mineral
Pyrite (on Quartz matrix)
Iron Sulfide (FeS2)
mineral
Magnetite (likely with weathered Limonite/Hematite)
Magnetite (Fe3O4) with iron oxide weathering
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz (Grain/Fragment)
Silicon Dioxide (SiO2)
mineral
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Gneiss (specifically Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Argetine Blue Agate (Chalcendony variant)
Silicon Dioxide (SiO₂)
mineral
Tiger's Eye (with Hematite/Magnetite matrix)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH/Fe2O3)
metamorphic
Carnelian
Silicon dioxide (chalcedony variety), SiO2
gemstone
Anthracite
Anthracite coal
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Carnelian
Carnelian (Cryptocrystalline variety of Quartz, SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral