Quartzite (Gold/Yellow)
Quartzite (SiO2)
metamorphic
Category
Mineraloid (Man Made Glass)
Browse mineraloid (man made glass) specimens identified by the Rock Identifier community.
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Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Green Adventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
mineral
Yellow Aventurine
Silicon Dioxide (SiO2) with inclusions
mineral
Obsidian
Obsidian (Volcanic Glass, primarily SiO2)
igneous
Quartz Crystal Cluster in Matrix
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Chalcedony)
Silicon dioxide (SiO2) - Microcrystalline quartz
sedimentary
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (clear quartz/crystal quartz)
Quartz, silicon dioxide (SiO₂), trigonal crystal system
mineral
Feldspar
KAlSi3O8 - NaAlSi3O8 - CaAl2Si2O8
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled amethyst
Amethyst, purple quartz (SiO₂), colored by trace iron and irradiation
gemstone
Sandstone
Arenite (primarily SiO2 with trace Fe2O3)
sedimentary
Tumbled amethyst with possible lepidolite/colored quartz companion
Amethyst, purple quartz (SiO₂), likely with iron-related color centers
mineral
Quartzite Pebble
Quartzite (composed primarily of SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
White Quartz Pendant
Silicon Dioxide (SiO2)
mineral
Quartz pebble
SiO2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon Dioxide (SiO2), Microcrystalline Quartz
sedimentary
Quartz pebble
Silicon dioxide (SiO2)
mineral
Quartz (White/Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz with Associated Minerals
Silicon Dioxide (SiO2)
mineral
Quartz (Pebble)
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon dioxide (Microcrystalline Quartz, SiO2)
sedimentary
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Granite (weathered)
Felsic Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Smoky Quartz (Faceted Beads)
Silicon Dioxide (SiO2)
mineral
Chert (specifically Silex or Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Diamond (or Diamond Simulant)
Carbon (C) or Zirconium dioxide (ZrO2) for CZ
gemstone
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Raw Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite)
metamorphic