Rock Identifier

Category

Mineraloid (Man Made Glass)

Browse mineraloid (man made glass) specimens identified by the Rock Identifier community.

Learn about Mineraloid (Man Made Glass) in the encyclopedia

Opalite

Goldstone

Shungite

Blue Goldstone

Sideromelane

Black Obsidian

Maskelynite

Obsidian

Tachylite

Map Jasper

Hyalite Opal

Perlite

Lapis Lazuli (Lapis Lazuli (Complex rock consisting primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex rock consisting primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2)

Smoky Quartz (Faceted) (Silicon Dioxide (SiO2)) — gemstone

Smoky Quartz (Faceted)

Silicon Dioxide (SiO2)

Aragonite (specifically Mexican Marbled Onyx) (Aragonite (Calcium Carbonate, CaCO3)) — mineral

Aragonite (specifically Mexican Marbled Onyx)

Aragonite (Calcium Carbonate, CaCO3)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Beaded Jewelry (Assorted Gemstones) (Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ) — Mineral, Jewelry

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Mineral, Jewelry

Sandstone (with iron staining) (Quartz Arenite / Ferruginous Sandstone) — sedimentary

Sandstone (with iron staining)

Quartz Arenite / Ferruginous Sandstone

Fordite (Anthropogenic paint-rock) — mineraloid (human-made geological specimen)

Fordite

Anthropogenic paint-rock

mineraloid (human-made geological specimen)

Diamond (C (Native Carbon)) — gemstone

Diamond

C (Native Carbon)

Coquina Limestone (Coquina (Biogenic Limestone)) — sedimentary

Coquina Limestone

Coquina (Biogenic Limestone)

Slate (Foliated Metamorphic Slate) — metamorphic

Slate

Foliated Metamorphic Slate

Fossilized Shark Tooth (Fragment) (Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)) — fossil

Fossilized Shark Tooth (Fragment)

Elasmobranchii gen. et sp. indet. (Calcium Phosphate / Apatite fossil)

Chert (Yellow Jasper/Flint) (Chert (Microcrystalline Silicon Dioxide, SiO2)) — sedimentary

Chert (Yellow Jasper/Flint)

Chert (Microcrystalline Silicon Dioxide, SiO2)

Coquina (Coquina (Biogenic Limestone / CaCO3)) — sedimentary

Coquina

Coquina (Biogenic Limestone / CaCO3)

Rutilated Quartz (Quartz with Rutile inclusions (SiO2 with TiO2)) — mineral

Rutilated Quartz

Quartz with Rutile inclusions (SiO2 with TiO2)

Chert (with Desert Varnish/Iron Stain) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (with Desert Varnish/Iron Stain)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)

Coquina / Fossiliferous Limestone (Coquina (composed primarily of Calcium Carbonate / CaCO3)) — sedimentary

Coquina / Fossiliferous Limestone

Coquina (composed primarily of Calcium Carbonate / CaCO3)

Diorite (Diorite) — igneous

Diorite

Diorite

Pink calcite (likely) (Calcite — calcium carbonate, CaCO₃) — mineral

Pink calcite (likely)

Calcite — calcium carbonate, CaCO₃

Chert (Microcrystalline quartz (SiO2)) — sedimentary

Chert

Microcrystalline quartz (SiO2)

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

Flint

SiO2 (Microcrystalline Quartz / Chert)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Chert (Chalcedony/Agate) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Chalcedony/Agate)

Microcrystalline Quartz (SiO2)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Limestone (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Sedimentary Calcium Carbonate (CaCO3)

Granite (Granite (phaneritic felsic intrusive rock)) — igneous

Granite

Granite (phaneritic felsic intrusive rock)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Desert Rose (Gypsum) (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Desert Rose (Gypsum)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Chert (Arrowhead Shard) (Microcrystalline silica (SiO2)) — sedimentary

Chert (Arrowhead Shard)

Microcrystalline silica (SiO2)

Amazonite (K(AlSi3O8) - Potassium Aluminum Silicate (color due to lead)) — mineral

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate (color due to lead)

Chert (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert

Microcrystalline Silicon Dioxide (SiO2)

Granite (Granitoid (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8 + SiO2)) — igneous

Granite

Granitoid (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8 + SiO2)

Pearl (Aragonite (CaCO3 with conchiolin)) — mineral

Pearl

Aragonite (CaCO3 with conchiolin)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

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

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

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

Flint (or Chert)

Cryptocrystalline Quartz (SiO2)

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

Chert (Flint)

Silicon dioxide (SiO2)

Desert Rose (Baryte or Gypsum Rose) (Baryte (BaSO4) or Gypsum (CaSO4·2H2O)) — mineral

Desert Rose (Baryte or Gypsum Rose)

Baryte (BaSO4) or Gypsum (CaSO4·2H2O)

Chert (or Flint) (Chert (a cryptocrystalline variety of quartz, SiO2)) — sedimentary

Chert (or Flint)

Chert (a cryptocrystalline variety of quartz, SiO2)

Crinoid Stem Fossil (Crinoid ossicle (Phylum Echinodermata)) — fossil

Crinoid Stem Fossil

Crinoid ossicle (Phylum Echinodermata)

Sandstone (Sedimentary Clastic Rock (Quartzose Sandstone)) — sedimentary

Sandstone

Sedimentary Clastic Rock (Quartzose Sandstone)

White Marble (Recrystallized Calcite (CaCO3)) — metamorphic

White Marble

Recrystallized Calcite (CaCO3)