Aquamarine
Beryl (Be3Al2Si6O18)
gemstone
Category
Sedimentary Or Metamorphic (Base Substrate)
Browse sedimentary or metamorphic (base substrate) specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Metamorphic (Base Substrate) in the encyclopedia
View all →
Conglomerate
Clastic Sedimentary Rock
sedimentary
Conglomerate
Clastic sedimentary rock
sedimentary
Conglomerate
Clastic Sedimentary Rock
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone with Quarzite clasts
Arenite (SiO2 based)
sedimentary
Mica schist (likely biotite–muscovite schist)
Mica schist; chiefly quartz (SiO₂) plus muscovite and biotite mica, with possible garnet or graphite
metamorphic
Yellow Beryl
Beryl (Be3Al2(SiO3)6)
mineral
Amethyst Cluster
Silicon dioxide (Quartz variety, $SiO_2$)
mineral
Red Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Mystic Topaz (Treated Quartz or Topaz)
Silicate Mineral (SiO2 or Al2SiO4(F,OH)2) with Titanium coating
gemstone
Biotite-bearing gneiss or schist
Quartz–feldspar–mica metamorphic rock, likely mica schist/gneiss
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
mineral
Epidote
Epidote {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Coarse Sandstone
Arenite (SiO2 based)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18)
gemstone
Mica Schist
Mica Schist (varies based on mineral makeup, often Biotite/Muscovite schist)
metamorphic
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone Pebble
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Gneiss
Gneiss
metamorphic
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon dioxide (SiO2)
mineral
Labradorite
(Na,Ca)(Al,Si)4O8
mineral
Anthracite Coal
Anthracite (Carbon-based solid)
metamorphic
Quartz-veined Sandstone
Quartzite-veined Arenite (SiO2)
sedimentary
Aquamarine
Beryl (Be3Al2Si6O18)
gemstone
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Jasper (Red Jasper)
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Clear calcite cleavage fragment
Calcite (calcium carbonate, CaCO₃)
mineral
Hypersthene
Enstatite (Hypersthene variety), (Mg,Fe)SiO3
mineral
Quartzite Pebble (with Quartz Vein)
Meta-quartzite (SiO2-dominated metamorphic rock)
metamorphic
Serafina (Serafinite / Clinochlore)
Clinochlore (Mg5Al)(AlSi3O10)(OH)8
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Generic Pebble / Rock Fragment
Lithic fragment / Weathered rock
sedimentary