Rock Identifier

Category

Synthetic (Ceramic)

Browse synthetic (ceramic) specimens identified by the Rock Identifier community.

Learn about Synthetic (Ceramic) in the encyclopedia

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Opalite

Lead Feldspar

Zircon

Orthoclase

Clear Quartz Crystal (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Bull Quartz (Milky Quartz) (Silicon Dioxide (SiO2)) — mineral

Bull Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Chert (Flint) (Chert (Cryptocrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (Flint)

Chert (Cryptocrystalline Silicon Dioxide, SiO2)

Limonite (FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)) — mineral

Limonite

FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)

Cordierite (Iolite) in Quartz (Cordierite (Magnesium iron aluminium cyclosilicate) - Mg2Al4Si5O18) — metamorphic

Cordierite (Iolite) in Quartz

Cordierite (Magnesium iron aluminium cyclosilicate) - Mg2Al4Si5O18

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Flint (within Limestone matrix) (Silicon dioxide (SiO2)) — sedimentary

Flint (within Limestone matrix)

Silicon dioxide (SiO2)

Quartzite (SiO2 (Silicon Dioxide)) — metamorphic

Quartzite

SiO2 (Silicon Dioxide)

Chert (Microcrystalline Quartz (SiO2)) — sedimentary

Chert

Microcrystalline Quartz (SiO2)

Granitic Pegmatite (Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)) — igneous

Granitic Pegmatite

Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)

Chert (variously known as Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variously known as Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Likely weathered quartz or quartz-rich pebble (Quartz, silicon dioxide (SiO₂)) — mineral

Likely weathered quartz or quartz-rich pebble

Quartz, silicon dioxide (SiO₂)

Milky quartz (massive quartz) (Quartz, silicon dioxide (SiO₂)) — mineral

Milky quartz (massive quartz)

Quartz, silicon dioxide (SiO₂)

Likely calcite or quartz fragment (Uncertain from image; calcite (CaCO₃) is the leading possibility, with quartz (SiO₂) another possibility) — mineral

Likely calcite or quartz fragment

Uncertain from image; calcite (CaCO₃) is the leading possibility, with quartz (SiO₂) another possibility

Potassium Feldspar (Orthoclase) (Orthoclase (KAlSi3O8)) — mineral

Potassium Feldspar (Orthoclase)

Orthoclase (KAlSi3O8)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Chert (White Chert/Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (White Chert/Flint)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Massive Quartz (Yellow/Citrine variety) (Silicon Dioxide (SiO2)) — mineral

Massive Quartz (Yellow/Citrine variety)

Silicon Dioxide (SiO2)

Chert (variations include Flint/Jasper) (Chert (SiO2)) — sedimentary

Chert (variations include Flint/Jasper)

Chert (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (river pebble) (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz (river pebble)

Quartz (Silicon Dioxide, SiO2)

Chert / Flint (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / Flint

Microcrystalline Quartz (SiO2)

Quartz Vein / Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz Vein / Milky Quartz

Silicon Dioxide (SiO2)

Flint (Chert) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Flint (Chert)

Cryptocrystalline Quartz (SiO2)

Chert (varieties include Flint or Jasper) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (varieties include Flint or Jasper)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Chert (Chert / Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Chert / Flint)

Silicon Dioxide (SiO2)

Chert (White Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (White Flint)

Microcrystalline Quartz (SiO2)

Weathered quartz-rich cobble, possibly milky quartz with iron staining (Quartz (SiO₂), likely with iron-oxide/hydroxide coatings and minor host-rock inclusions) — mineral

Weathered quartz-rich cobble, possibly milky quartz with iron staining

Quartz (SiO₂), likely with iron-oxide/hydroxide coatings and minor host-rock inclusions

Quartz-rich rock, possibly milky quartz or quartzite (Quartz (SiO₂), potentially quartzite if the grainy texture is rock-wide) — mineral

Quartz-rich rock, possibly milky quartz or quartzite

Quartz (SiO₂), potentially quartzite if the grainy texture is rock-wide