Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Category
Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite with Iron Inclusions
Quartzite (primarily SiO2)
Yellow Quartzite Pebble
Quartzite (primarily SiO2)
Quartzite (Milky)
Metamorphic rock predominantly composed of Quartz (SiO2)
Quartzite Pebbles
Meta-quartzite (SiO2)
Yellow Quartzite (River Pebble)
Metamorphic Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Chert (Banded)
Microcrystalline Quartz (SiO2)
Travertine (used in construction, not a 'specimen' in situ)
Travertine
Chrysocolla
Hydrated copper phyllosilicate, Cu2-xAlx(H2-xSi2O5)(OH)4·n(H2O)
Quartz Vein Rock
Silicon Dioxide (SiO2)
Chert (Jasper/River Stone)
Silicon dioxide (SiO2) - Microcrystalline quartz
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Chert (specifically Jasper)
Silicon dioxide (SiO2) with iron oxide inclusions
Chert
Chert (SiO2)
Chert (variations include Flint/Jasper)
Chert (SiO2)
Chert (Beach Pebble)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Micro-crystalline Quartz Pebble (Chert)
Silicon dioxide (SiO2)
Chert (Flint)
Cryptocrystalline Silica (SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Banded Chert (River Cobble)
Microcrystalline Quartz (SiO2)
Limestone
Calcium Carbonate (CaCO3)
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Amygdaloidal Basalt
Amygdaloidal Basalt (containing secondary minerals like Quartz, Zeolites, or Calcite)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Limonite
Limonite (Hydrated iron oxide mixture, FeO(OH)·nH2O)
Chert (Yellow/Brown Jasper)
Silicon Dioxide (SiO2)
Chert (Grey-Green Var.)
Silicon Dioxide (SiO2)
Quartzite
Hydrothermal Quartz or Quartzite (SiO2)
Chert (Flint)
Chert (SiO2)
Chert (specifically Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Quartz Vein Rock
Quartz (Silicon Dioxide, SiO2)
Chert (Jasper/Quartzite variety)
Microcrystalline Silica (SiO2)
Chert (River Pebble)
Microcrystalline Quartz (SiO2)