Jasper (Red/Yellow)
Silicon Dioxide (SiO2) with impurities
sedimentary
Category
Man Made Composite (Lithified Equivalent Of Sedimentary)
Browse man made composite (lithified equivalent of sedimentary) specimens identified by the Rock Identifier community.
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Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Quartz
Silicon Dioxide (SiO2)
Mineral
Quartz (Float/Abraded)
Quartz (SiO₂)
Mineral
Diamond
Diamond (pure Carbon, C)
mineral
White Quartz
Quartz (SiO2)
Mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Synthetic Convention Badge (Plastic/PVC)
Polyvinyl Chloride (PVC) / Polycarbonate
mineraloid (synthetic)
Green Moss Agate
Silicon Dioxide (SiO2) with inclusions of hornblende or chlorite
sedimentary
Diamond
Carbon (C)
gemstone
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Diamond (in jewelry setting)
Diamond (C - Carbon)
mineral
Quartzite
Metamorphic Quartz Rock (SiO2)
metamorphic
Diamond (in Jewelry)
Carbon (C)
mineral
Rough Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
Mineral
Conglomerate
Conglomerate (a clastic sedimentary rock)
Sedimentary Rock
River Pebble (Gabbro or Basalt)
Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)
igneous
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineraloid
Banded Gneiss
Gneiss (Metamorphic high-grade rock)
metamorphic
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Diamond
Native Carbon (C)
gemstone
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Lepidolite Pebble
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Shale or Argillite
Shale (sedimentary) / Argillite (metamorphic)
Sedimentary or Metamorphic (low-grade)
Diamond
Carbon (C)
mineral
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Polished malachite slab
Malachite, Cu₂CO₃(OH)₂; likely polished and possibly resin-stabilized
mineral
Diamond
Carbon (C)
mineral
Diamond
Carbon (C)
gemstone
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
mineral
Diamond
Diamond (pure carbon C)
mineral
Limonite and Goethite (Ironstone)
Hydrous Iron Oxide Mixture (FeO(OH)·nH2O)
sedimentary
Veined Quartz
SiO2 (Silicon Dioxide)
Mineral
Quartz
Quartz (SiO₂)
Mineral
Red Quartzite
Quartzite (Metamorphosed Quartz Arenite)
metamorphic