Jasper Conglomerate (Puddingstone)
Siliceous Conglomerate (Quartz and Jasper clasts in a fine-grained matrix)
Category
Browse metamorphic rock (for both nephrite and jadeite) specimens identified by the Rock Identifier community.
Jasper Conglomerate (Puddingstone)
Siliceous Conglomerate (Quartz and Jasper clasts in a fine-grained matrix)
Sandstone (with potentially metamorphic or basaltic bands)
Arenite / Lithic Wacke
Clear Quartz (or Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Quartz with Iron Stains
Quartz (SiO2) with iron oxide/hydroxide staining
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Serpentine
Serpentinite (rock), Serpentine group minerals (e.g., Antigorite, Lizardite, Chrysotile)
Yellow Apatite Sphere (Polished)
Fluorapatite / Ca5(PO4)3F
Quartz (Milky/Bull Quartz)
Silicon Dioxide (SiO2)
Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2)
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Ruby
Corundum (Al2O3 with Chromium trace impurities)
River Quartz Pitting/Cobble
Silicon Dioxide (SiO2)
Mica Schist
Mica Schist (predominantly composed of Muscovite or Biotite silicates)
Quartz / Quartzite
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Quartz (SiO₂)
Grey Quartzite Pebble
Quartzite (primarily SiO2 - Silicon Dioxide)
Quartzite
Quartzite (Primary mineral: Silicon Dioxide, SiO₂)
Quartzite
Quartzite (primarily SiO2)
Fulgurite
Fulgurite (Lechatelierite), amorphous SiO2
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Quartz (Quartzite fragment)
Silicon Dioxide (SiO2)
Schist (Garnet-Mica Schist)
Garnetiferous Mica Schist (primarily Muscovite/Biotite and Almandine Garnet)
Red Quartzite (River Pebble)
Quartzite (primarily Silicon Dioxide - SiO2)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Banded Gneiss (River Rock/Pebble)
Gneiss (specifically a banded variety often found as a river rock)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Lapis Lazuli
Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2
Bronzite
MgSiO3 (Enstatite with 10-30% FeSiO3 in solid solution)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Biotite Mica
Biotite, K(Mg,Fe)3AlSi3O10(F,OH)2
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
Quartz
Quartz (SiO₂)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (primarily SiO2)
Calcite (or Alabaster, if truly carved)
Calcium Carbonate (CaCO3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Schist (Micaceous)
Mica Schist
Quartzite
Quartzite (primarily SiO2)
Banded Gneiss
Gneiss (pronounced "nice")
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)