Chondrite Meteorite
L or H Ordinary Chondrite
meteorite
Category
Mineraloid Like Synthetic Material
Browse mineraloid like synthetic material specimens identified by the Rock Identifier community.
Learn about Mineraloid Like Synthetic Material in the encyclopedia
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Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Sandstone
Arenite
sedimentary
Sea Glass
Amorphous Silica (Glass) SiO2
Mineraloid (Man-made origin)
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Obsidian
Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)
igneous
Petrified Wood
Silicified Wood (SiO2 - Quartz/Chalcendony replacing organic matter)
sedimentary
Chert (Honey Chert / Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert (Nodule)
Chert (primarily Microcrystalline Quartz - SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Red Sandstone
Arenite (primarily Quartz with Iron Oxide coating)
sedimentary
Amethyst Geode (Thunderegg)
Silicon Dioxide (SiO2) - Quartz Variety: Amethyst
mineral
Sandstone (Ferruginous)
Arenite (Fe2O3 enriched)
sedimentary
Serpentine
Antigorite, Lizardite, or Chrysotile; Mg3Si2O5(OH)4
metamorphic
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Sandstone
Clastic Sedimentary Rock
sedimentary
Slag Glass
SiO2 (Silicon Dioxide) with impurities
man-made glass
Sandstone with Iron Oxide
Arenite (SiO2 with Fe2O3 inclusions)
sedimentary
Sandstone (with Iron Staining)
Arenite
sedimentary
Dalmation Stone (Dalmation Jasper)
Peralkaline rock (primarily Feldspar and Quartz with Arfvedsonite spots)
igneous
Graphite-bearing quartz-mica schist
Graphite-rich quartz–mica schist; primarily quartz (SiO₂), muscovite/biotite, and graphite (C)
metamorphic
Chert / Flint (Yellow Jasper Variant)
Microcrystalline Quartz (SiO2 with Iron Oxide impurities)
sedimentary
Chert (and Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (and Agate/Quartz in Geode-like Nodule)
Silicon Dioxide (SiO2)
sedimentary
Gneiss
Gneiss (quartz-feldspar-biotite gneiss)
metamorphic
Sandstone
Arenite
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt with Secondary Mineral Amygdules
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Ironstone concretion
Siderite or Limonite concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary
Sandstone (Ferruginous)
Arenite (with high iron oxide content)
sedimentary
Banded Flint (Chert)
Silicon Dioxide (SiO2)
sedimentary
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Chert (Iron-stained)
Chert (Silicon Dioxide, SiO2)
sedimentary
Sand Tiger Shark Tooth
Carcharias taurus (fossilized)
fossil
Arid Sandy Loam
Arenosols / Regosols
sedimentary
Chalcedony in Matrix (likely Agatized Coral or Chert)
Silicon Dioxide (SiO2)
sedimentary
Honey-colored chalcedony (likely carnelian)
Microcrystalline quartz, SiO₂; orange chalcedony colored by iron oxides
mineral
Chert (often called Flint or Jasper based on color)
Microcrystalline Silica (SiO2)
sedimentary