Rock Identifier

Category

Mineral (Man Made Glass)

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

Learn about Mineral (Man Made Glass) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Sideromelane

Black Obsidian

Maskelynite

Tachylite

Obsidian

Map Jasper

Hyalite Opal

Perlite

Macusanite

Sea Glass (Amorphous silicon dioxide (glass)) — mineral

Sea Glass

Amorphous silicon dioxide (glass)

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

Quartz (Druzy)

Silicon Dioxide (SiO2)

Obsidian (Volcanic Glass) — igneous

Obsidian

Volcanic Glass

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Muscovite (Mica) (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite (Mica)

Muscovite - KAl2(AlSi3O10)(OH)2

Muscovite Mica (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite Mica

Muscovite - KAl2(AlSi3O10)(OH)2

Amethyst Quartz fragment (SiO2 (Silicon Dioxide with Iron impurities)) — mineral

Amethyst Quartz fragment

SiO2 (Silicon Dioxide with Iron impurities)

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

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Sedimentary Sandstone with Iron Oxide (Ferruginous Sandstone) — sedimentary

Sedimentary Sandstone with Iron Oxide

Ferruginous Sandstone

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Prasiolite (Green Quartz) / Sea Glass Amalgam (SiO2 (Silicon Dioxide)) — mineral

Prasiolite (Green Quartz) / Sea Glass Amalgam

SiO2 (Silicon Dioxide)

Obsidian (Volcanic glass (SiO2-rich extrusive igneous rock)) — igneous

Obsidian

Volcanic glass (SiO2-rich extrusive igneous rock)

Quartz with impurities or Host Rock (SiO2 (Silicon Dioxide) with mixed silicates) — mineral

Quartz with impurities or Host Rock

SiO2 (Silicon Dioxide) with mixed silicates

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

Milky Quartz Pebble

Silicon Dioxide (SiO2)

Green Aventurine (Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions) — mineral

Green Aventurine

Quartz (Silicon Dioxide, SiO2) with fuchsite inclusions

Quartz Mineral (Silicon dioxide (SiO2)) — mineral

Quartz Mineral

Silicon dioxide (SiO2)

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

Orthoclase Feldspar

KAlSi3O8 (Potassium Aluminum Silicate)

Microcline Feldspar (KAlSi3O8) — mineral

Microcline Feldspar

KAlSi3O8

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

Chert / Flint

Silicon Dioxide (SiO2)

Quartz (specifically Milky or Clear Quartz fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Snowflake Obsidian (Volcanic Glass with Spherulite Inclusions (70–75% SiO2)) — igneous

Snowflake Obsidian

Volcanic Glass with Spherulite Inclusions (70–75% SiO2)

Mahogany Obsidian (Obsidian with Hematite inclusions (SiO2 + Fe2O3)) — igneous

Mahogany Obsidian

Obsidian with Hematite inclusions (SiO2 + Fe2O3)

Quartz (Smoky Quartz variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky Quartz variant)

Silicon Dioxide (SiO2)

Quartz with Host Rock (Silicon Dioxide (SiO2)) — mineral

Quartz with Host Rock

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Snowflake Obsidian (Volcanic Glass with Spherulitic Cristobalite (SiO2)) — igneous

Snowflake Obsidian

Volcanic Glass with Spherulitic Cristobalite (SiO2)

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

Quartz (Grain)

Silicon Dioxide (SiO2)

Green Fluorite (Calcium Fluoride (CaF2)) — mineral

Green Fluorite

Calcium Fluoride (CaF2)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Druzy or Chalcedony variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Druzy or Chalcedony variant)

Silicon Dioxide (SiO2)

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Mica Schist or Muscovite (KAl2(AlSi3O10)(OH)2) — metamorphic

Mica Schist or Muscovite

KAl2(AlSi3O10)(OH)2

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

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Quartz (Smoky/Milky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variety)

Silicon Dioxide (SiO2)

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Muscovite Mica in Quartz (Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH)2) and Silicon Dioxide (SiO2)) — metamorphic

Muscovite Mica in Quartz

Potassium Aluminum Silicate Hydroxide (KAl2(AlSi3O10)(OH)2) and Silicon Dioxide (SiO2)

Mica (Biotite or Phlogopite variety) (Phyllosilicate (complex mineral formula involving K, Mg, Fe, Al, Si, and O)) — mineral

Mica (Biotite or Phlogopite variety)

Phyllosilicate (complex mineral formula involving K, Mg, Fe, Al, Si, and O)