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

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Azurite and Malachite on Matrix (Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2) — mineral

Azurite and Malachite on Matrix

Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2CO3(OH)2

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Potassium-Rich Silicate Clay (inferred from biological context) (Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)) — mineral

Potassium-Rich Silicate Clay (inferred from biological context)

Phyllosilicate group (likely Illite or Smectite within surrounding soil substrate)

Quartz pebble (Silicon Dioxide (SiO2)) — mineral

Quartz pebble

Silicon Dioxide (SiO2)

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

Chert / Flint

Chert (Silicon Dioxide, SiO2)

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Serpentine (likely serpentinite) (Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, chrysotile), commonly with magnetite and chromite) — metamorphic

Serpentine (likely serpentinite)

Serpentinite; chiefly serpentine-group minerals (antigorite, lizardite, chrysotile), commonly with magnetite and chromite

Serpentinite (Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, and Chrysotile, (Mg,Fe)3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, and Chrysotile, (Mg,Fe)3Si2O5(OH)4)

Pink Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Pink Quartz Pebble

Silicon Dioxide (SiO2)

Blue Chalcedony (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Blue Chalcedony

Chalcedony (Silicon Dioxide, SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Chert (specifically a stream-worn Chert Nodule) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically a stream-worn Chert Nodule)

Sedimentary Cryptocrystalline Quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Garnet (Nesosilicate group (e.g., Almandine: Fe3Al2(SiO4)3)) — mineral

Garnet

Nesosilicate group (e.g., Almandine: Fe3Al2(SiO4)3)

Asphalt Pavement (with aggregate) (Asphalt concrete) — man-made composite

Asphalt Pavement (with aggregate)

Asphalt concrete

man-made composite

Iron-stained Quartz (Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)) — mineral

Iron-stained Quartz

Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)

Leopard Skin Jasper (Chalcedony (cryptocrystalline quartz) with inclusions) — Mineral

Leopard Skin Jasper

Chalcedony (cryptocrystalline quartz) with inclusions

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

Tree Agate (Chalcedony (SiO2)) — gemstone

Tree Agate

Chalcedony (SiO2)

Quartz (Tumbled) (Silicon Dioxide (SiO2)) — mineral

Quartz (Tumbled)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Chert (specifically Green Chert/Jasper) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert (specifically Green Chert/Jasper)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Sedimentary cryptocrystalline quartz (SiO2)) — sedimentary

Chert

Sedimentary cryptocrystalline quartz (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (Yellow/Citrine Variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Yellow/Citrine Variety)

Silicon Dioxide (SiO2)

Serpentine (Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)) — metamorphic

Serpentine

Serpentinite (group of hydrous magnesium iron phyllosilicate minerals)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Chert / Flint

Microcrystalline Quartz (SiO2)

Agate Nodule / Chalcedony (Silicon Dioxide (SiO2)) — sedimentary

Agate Nodule / Chalcedony

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

Chalcedony (Agate/Quartz pebble) (Silicon dioxide (SiO2) - Microcrystalline Quartz) — mineral

Chalcedony (Agate/Quartz pebble)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Breccia (Breccia) — sedimentary

Breccia

Breccia

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Basalt (Greenstone) (Basalt with chlorite/epidote (often referred to as Greenstone)) — igneous

Basalt (Greenstone)

Basalt with chlorite/epidote (often referred to as Greenstone)

Tumbled quartz-rich stone, likely milky quartz (Quartz (SiO₂), possibly iron-stained milky quartz or quartzite) — mineral

Tumbled quartz-rich stone, likely milky quartz

Quartz (SiO₂), possibly iron-stained milky quartz or quartzite