Rock Identifier

Category

Mineral (Synthetic Glass)

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

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite (Fe2O3)) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Red) (Arenite (Fe2O3 heavy)) — sedimentary

Sandstone (Red)

Arenite (Fe2O3 heavy)

Quartz / Iron-Stained Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions/staining) — mineral

Quartz / Iron-Stained Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions/staining

Sandstone (Quartz-rich) (Arenite (SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (SiO2)

Sandstone (Arenite (Clastic Sedimentary Rock)) — sedimentary

Sandstone

Arenite (Clastic Sedimentary Rock)

Quartz (likely a form of massive or vein quartz) (Quartz (SiO₂)) — Mineral

Quartz (likely a form of massive or vein quartz)

Quartz (SiO₂)

Sandstone (likely Quartzose Sandstone) (Arenite (SiO2 principal composition)) — sedimentary

Sandstone (likely Quartzose Sandstone)

Arenite (SiO2 principal composition)

Quartzite (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone (SiO2)

Green Aventurine (Silicon dioxide (SiO2) with inclusions of Fuchsite mica) — metamorphic

Green Aventurine

Silicon dioxide (SiO2) with inclusions of Fuchsite mica

Orbicular Jasper (Eye Jasper / Kambaba-like pattern) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Orbicular Jasper (Eye Jasper / Kambaba-like pattern)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Amethyst (Chevron/Dream Amethyst) (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst (Chevron/Dream Amethyst)

Silicon Dioxide (SiO2) with iron impurities

Mookaite Jasper (Radiolarite (Chert/Jasper variety), formula SiO2) — sedimentary

Mookaite Jasper

Radiolarite (Chert/Jasper variety), formula SiO2

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

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

Chert (Brecciated Chert)

Silicon Dioxide (SiO2)

Sandstone (Arenite (SiO2 + various cementing minerals)) — sedimentary

Sandstone

Arenite (SiO2 + various cementing minerals)

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

Oolitic Chert

Oolitic Microcrystalline Quartz (SiO2)

Sandstone (Quartzose Sandstone Pebble) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose Sandstone Pebble)

Arenite (primarily SiO2)

Obsidian (Volcanic glass (SiO2 - Silicon Dioxide with impurities)) — igneous

Obsidian

Volcanic glass (SiO2 - Silicon Dioxide with impurities)

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

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

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

Milky Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Ferruginous Quartz (Iron-stained Quartz) (Silicon Dioxide (SiO2) with Iron Oxide inclusions (Fe2O3)) — mineral

Ferruginous Quartz (Iron-stained Quartz)

Silicon Dioxide (SiO2) with Iron Oxide inclusions (Fe2O3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Quartz (Milky/Iron-stained)

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Citrine (Silicon Dioxide (SiO2)) — mineral

Citrine

Silicon Dioxide (SiO2)

Amber (Rough) (Amber (Fossilized Tree Resin, succinite)) — mineral

Amber (Rough)

Amber (Fossilized Tree Resin, succinite)

Red Jasper (Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)) — mineral

Red Jasper

Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)

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

White Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Jasper (Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)) — Mineral

Jasper

Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)

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

Quartz (Sand Grain size)

Silicon Dioxide (SiO2)

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

Quartz (Milky Quartz pebble)

Silicon Dioxide (SiO2)

Blue Chalcedony Geode (with Quartz Druzy) (Silicon Dioxide (SiO2) - Microcrystalline variety of Quartz) — mineral

Blue Chalcedony Geode (with Quartz Druzy)

Silicon Dioxide (SiO2) - Microcrystalline variety of Quartz

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

Quartz (Milky/Clear variety)

Silicon Dioxide (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Pink Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (Quartz (Silicon Dioxide), Formula: SiO2) — mineral

Smoky Quartz

Quartz (Silicon Dioxide), Formula: SiO2

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

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

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

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

Amethyst

SiO2 (Silicon Dioxide with Iron impurities)