Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Category
Metamorphic Rock (Primarily Composed Of Minerals)
Browse metamorphic rock (primarily composed of minerals) specimens identified by the Rock Identifier community.
Fossilized Horn Coral
Rugosa
fossil
Yellow Quartzite Pebble
Quartzite (primarily Silicon Dioxide - SiO2)
metamorphic
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Slate
Foliated Metamorphic Rock (primarily clay minerals and micas)
metamorphic
Sandstone (Iron-stained)
Clastic sedimentary rock (SiO2 with Fe2O3 staining)
sedimentary
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Granite
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (Felsic Intrusive)
igneous
Basalt
Basalt (Mafic Extrusive)
igneous
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Combined Minerals / Metaphysical stones
Sandstone
Arenite (primarily SiO2)
sedimentary
Banded River Rock / Gneiss (highly weathered)
Gneiss
Metamorphic rock
Unakite
Epidotized Granite
metamorphic
Banded Sandstone
Arenite (composed primarily of Quartz: SiO2)
sedimentary
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
sedimentary
Granite Gneiss
High-grade regional metamorphic rock (Quartz-Feldspar Gneiss)
metamorphic
Basalt with Vesicular Texture
Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)
igneous
Sandstone (with cross-bedding)
Arenite (composed primarily of Quartz: SiO2)
sedimentary
Schist
Mica Schist (contains muscovite/biotite and quartz)
metamorphic
Schist (Micaceous)
Mica Schist
metamorphic
River Rock (River Cobbles)
Fluvial Conglomerate Clasts (primarily composed of various minerals such as Quartz, SiO2)
sedimentary
Schist
Mica Schist (Group of medium-grade metamorphic rocks)
metamorphic
Schist (Chlorite or Mica-rich)
Chlorite Schist
metamorphic
Pink Granite
Phaneritic intrusive felsic igneous rock
igneous
Banded Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Sandstone (likely Quartzose Sandstone with mineral staining)
Arenite (composed mainly of SiO2)
sedimentary
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
sedimentary
Mica Schist
Mica Schist (primarily Muscovite and Quartz)
metamorphic
Sandstone (Red Arkose)
Sandstone (Arkose variant, primarily SiO2 with KAlSi3O8)
sedimentary
Sandstone Concretion
Sedimentary concretion
Sedimentary
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Fuchsite on Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) with Chromium impurities
metamorphic
Dragon Blood Jasper
Epidote with Red Jasper inclusions (SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Rhodonite
Manganese silicate (MnSiO3)
mineral
Pink Granite
Phaneritic Plutonic Felsic Rock (K-feldspar rich)
igneous
Basalt River Pebble
Extrusive mafic igneous rock; primarily composed of Plagioclase Feldspar and Pyroxene
Igneous
Slate with Quartz Vein
Foliated Metamorphic Rock (Mainly Quartz, Muscovite, Chlorite)
metamorphic
Granite Gneiss
Gneiss (high-grade metamorphic rock)
metamorphic
River Pebble (Likely Chert or Fine-Grained Sandstone/Quartzite)
Siliciclastic clast (likely Chert or Quartzarenite/Quartzite pebble)
Sedimentary
Sandstone
Arenite
sedimentary