Rock Identifier

Category

Man Made Glass (Not A Natural Rock Or Mineral)

Browse man made glass (not a natural rock or mineral) specimens identified by the Rock Identifier community.

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

mineral
Red Jasper (Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)) — mineral

Red Jasper

Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)

mineral
Quartzite Pebble (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartz (SiO2)

metamorphic
Fulgurite (Lechatelierite (Silica glass), typically SiO2) — mineraloid

Fulgurite

Lechatelierite (Silica glass), typically SiO2

mineraloid
Druzy Quartz on Host Rock (Silicon Dioxide (SiO2)) — mineral

Druzy Quartz on Host Rock

Silicon Dioxide (SiO2)

mineral
Biotite Schist (Biotite Schist) — Metamorphic

Biotite Schist

Biotite Schist

Metamorphic
Banded Sandstone (Arenite (with iron oxide banding)) — sedimentary

Banded Sandstone

Arenite (with iron oxide banding)

sedimentary
White Quartz (Quartz (SiO2)) — Mineral

White Quartz

Quartz (SiO2)

Mineral
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Quartzite River Rock (Quartzite (Silicon Dioxide, SiO2)) — metamorphic

Quartzite River Rock

Quartzite (Silicon Dioxide, SiO2)

metamorphic
N/A (Non-Geological Specimen) — N/A

N/A (Non-Geological Specimen)

N/A
Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

sedimentary
Ferruginous Quartz (Silicon Dioxide (SiO2) with Hematite/Goethite inclusions) — mineral

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Goethite inclusions

mineral
Chert (Nodule) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (Nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

sedimentary
Charoite ((K,Sr,Ba,Ca)15-16(Na,Ca)8(Si,Al)24O60(OH,F)4 · nH2O (Hydrated silicate of potassium, calcium, and sodium)) — metamorphic

Charoite

(K,Sr,Ba,Ca)15-16(Na,Ca)8(Si,Al)24O60(OH,F)4 · nH2O (Hydrated silicate of potassium, calcium, and sodium)

metamorphic
Schist (Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)) — metamorphic

Schist

Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)

metamorphic
Diamond (Emerald Cut) (Carbon (C)) — mineral

Diamond (Emerald Cut)

Carbon (C)

mineral
Diamond (Diamond (Pure Carbon, C)) — Mineral

Diamond

Diamond (Pure Carbon, C)

Mineral
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Chert (River Pebble) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (River Pebble)

Microcrystalline Quartz (SiO2)

sedimentary
Hematite (Iron(III) oxide (Fe2O3)) — mineral

Hematite

Iron(III) oxide (Fe2O3)

mineral
Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

mineral
White Sapphire (Corundum (Al2O3)) — mineral

White Sapphire

Corundum (Al2O3)

mineral
Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

metamorphic
Quartz (vein quartz) (SiO2 (Silicon Dioxide)) — Mineral

Quartz (vein quartz)

SiO2 (Silicon Dioxide)

Mineral
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Quartz (Float/Abraded) (Quartz (SiO₂)) — Mineral

Quartz (Float/Abraded)

Quartz (SiO₂)

Mineral
Sandstone (likely Arkosic) (Clastic Sedimentary Rock) — sedimentary

Sandstone (likely Arkosic)

Clastic Sedimentary Rock

sedimentary
Quartz (likely milky/rose quartz variety) (Quartz (SiO2 - Silicon Dioxide)) — Mineral

Quartz (likely milky/rose quartz variety)

Quartz (SiO2 - Silicon Dioxide)

Mineral
Snowflake Obsidian (Volcanic glass with Phenocrysts (SiO2 with Cristobalite inclusions)) — igneous

Snowflake Obsidian

Volcanic glass with Phenocrysts (SiO2 with Cristobalite inclusions)

igneous
Biotite (Black Mica) (Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2) — mineral

Biotite (Black Mica)

Biotite - K(Mg,Fe)3AlSi3O10(F,OH)2

mineral
Quartz Geode Fragment (Silicon Dioxide (SiO2)) — sedimentary

Quartz Geode Fragment

Silicon Dioxide (SiO2)

sedimentary
Pink Granite (Granite (Phaneritic intrusive rock rich in K-feldspar)) — igneous

Pink Granite

Granite (Phaneritic intrusive rock rich in K-feldspar)

igneous
Limonite/Hematite Ironstone (Goethite-rich Ironstone (FeO(OH) · nH2O)) — sedimentary

Limonite/Hematite Ironstone

Goethite-rich Ironstone (FeO(OH) · nH2O)

sedimentary
Chert (Jasper/Agate variety) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Jasper/Agate variety)

Cryptocrystalline Quartz (SiO2)

sedimentary
Quartzite Pebble (Meta-quartzite) — metamorphic

Quartzite Pebble

Meta-quartzite

metamorphic
Pumice (Pumice (a highly vesicular felsic volcanic rock)) — igneous

Pumice

Pumice (a highly vesicular felsic volcanic rock)

igneous
Sandstone (Sandstone (various mineral compositions)) — Sedimentary

Sandstone

Sandstone (various mineral compositions)

Sedimentary
Quartz (Druzy Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy Quartz)

Silicon Dioxide (SiO2)

mineral
Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

sedimentary
Quartz Crystal (specifically Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal (specifically Rock Crystal)

Silicon Dioxide (SiO2)

mineral