Rock Identifier

Category

Man Made Glass (Often Grouped With Minerals In Lapidary)

Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.

Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia

Opalite

Goldstone

Euxenite

Blue Goldstone

Serpentinite

Serpentine

Potassium Feldspar

Potassium Feldspar

Pink Lady Obsidian

Pele's Tears

Electric Blue Obsidian

Red Obsidian

Black Shale

Biotite in Host Matrix (Biotite (K(Mg,Fe)3AlSi3O10(F,OH)2)) — mineral

Biotite in Host Matrix

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

Garnet (Garnet group [X3Y2(SiO4)3]) — mineral

Garnet

Garnet group [X3Y2(SiO4)3]

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Banded Chert (River Stone) (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert (River Stone)

Silicon Dioxide (SiO2)

Almandine Garnet (Almandine, Fe3Al2(SiO4)3) — mineral

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Milky Quartz with Chlorite/Amphibite Inclusions (Silicon Dioxide (SiO2) with various mineral inclusions) — mineral

Milky Quartz with Chlorite/Amphibite Inclusions

Silicon Dioxide (SiO2) with various mineral inclusions

Chert (specifically Flint or Jasper variant) (Microcrystalline quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline quartz (SiO2)

Probable amber fragment (Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)) — gemstone

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Quartzite Pebble (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartzite (SiO2)

Chalcedony (Carnelian/Jasper Pebble) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Carnelian/Jasper Pebble)

Cryptocrystalline Quartz (SiO2)

Feldspar (Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)) — mineral

Feldspar

Aluminosilicate (KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8)

Garnet (Almandine/Pyrope series) (Garnet Group - X3Y2(SiO4)3) — mineral

Garnet (Almandine/Pyrope series)

Garnet Group - X3Y2(SiO4)3

Common Green Opal (Hydrated amorphous silicon dioxide (SiO2·nH2O)) — mineral

Common Green Opal

Hydrated amorphous silicon dioxide (SiO2·nH2O)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Fossilized Shark Tooth (Carcharocles sp. or Striatolamia sp. (Phosphate/Carbonate mineralized Hydroxyapatite)) — sedimentary

Fossilized Shark Tooth

Carcharocles sp. or Striatolamia sp. (Phosphate/Carbonate mineralized Hydroxyapatite)

Gabbro (Phaneritic Basic Igneous Rock) — igneous

Gabbro

Phaneritic Basic Igneous Rock

Chert (with Iron Staining) (Silicon Dioxide (SiO2)) — sedimentary

Chert (with Iron Staining)

Silicon Dioxide (SiO2)

Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

Quartz Pebble with Iron Staining (Silicon Dioxide (SiO2) with Hematite/Limonite matrix) — mineral

Quartz Pebble with Iron Staining

Silicon Dioxide (SiO2) with Hematite/Limonite matrix

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

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

Chert (Chalcedony/Agate Pebble)

Microcrystalline Quartz (SiO2)

Olivine (Peridot) (Olivine Group (Mg,Fe)2SiO4) — mineral

Olivine (Peridot)

Olivine Group (Mg,Fe)2SiO4

Green Jasper (Microcrystalline Quartz (SiO2) with mineral inclusions) — sedimentary

Green Jasper

Microcrystalline Quartz (SiO2) with mineral inclusions

Chert (Chert (SiO2)) — sedimentary

Chert

Chert (SiO2)

Tumbled green-and-white stone, likely serpentine (Serpentinite; mainly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnesite or talc) — metamorphic

Tumbled green-and-white stone, likely serpentine

Serpentinite; mainly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnesite or talc

Botryoidal Chalcedony (Agate) (Silicon Dioxide (SiO2)) — sedimentary

Botryoidal Chalcedony (Agate)

Silicon Dioxide (SiO2)

Quartz with Inclusions (Silicon Dioxide (SiO2)) — mineral

Quartz with Inclusions

Silicon Dioxide (SiO2)

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

Chert / Chalcedony

Microcrystalline Quartz (SiO2)

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Chert (specifically Flint or Nodular Chert) (Silicon dioxide (SiO2)) — sedimentary

Chert (specifically Flint or Nodular Chert)

Silicon dioxide (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Sandstone (Arenite (SiO2, often with CaCO3 or Fe2O3 cement)) — sedimentary

Sandstone

Arenite (SiO2, often with CaCO3 or Fe2O3 cement)

Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

Grey Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Grey Granite

Phaneritic Felsic Intrusive Igneous Rock

Green Quartzite (or Green Jasper) (Silica (Silicon Dioxide, SiO2) with inclusions) — metamorphic

Green Quartzite (or Green Jasper)

Silica (Silicon Dioxide, SiO2) with inclusions

Iron-Stained Quartz (Silicon Dioxide (SiO2) with Iron Oxide/Limonite coating) — mineral

Iron-Stained Quartz

Silicon Dioxide (SiO2) with Iron Oxide/Limonite coating

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Sodalite (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Chert (Iron-stained) (Chert (Silicon Dioxide, SiO2)) — sedimentary

Chert (Iron-stained)

Chert (Silicon Dioxide, SiO2)

Green Quartzite (Quartzite (primarily SiO2 with chlorite inclusions)) — metamorphic

Green Quartzite

Quartzite (primarily SiO2 with chlorite inclusions)