Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Category
Browse man made mineral simulant (glass) specimens identified by the Rock Identifier community.
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Dumortierite Quartz
Al7BO3(SiO4)3O3 (Borosilicate mineral/Quartz inclusion)
Iron-Stained Quartz Pebble
Silicon Dioxide (SiO2) with Hematite/Limonite impurities
Quartz
Silicon Dioxide (SiO2)
Sandstone (likely Quartzose)
Sandstone (Principally SiO2)
Sandstone (likely Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz (Carved Merkaba)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Rough Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
Amethyst
Silicon Dioxide with iron impurities (SiO2)
Amethyst
Amethyst (Silicon Dioxide with iron impurities), SiO2
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)
Amethyst
Silicon dioxide / Violet Quartz (SiO2)
Red Sandstone
Arenite (Fe2O3 rich)
Rose Quartz
Silicon Dioxide (SiO2) with Titanium/Manganese/Iron trace elements
Quartz
Silicon Dioxide (SiO2)
Quartz / Chert
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Sandstone (Ferruginous)
Arenite (Fe-rich)
Sandstone
Arenite (primarily SiO2)
Sandstone
Arenite (primarily Quartz, SiO2)
Botryoidal Chalcedony in Geode/Vug
Silicon Dioxide (SiO2)
Agate (specifically Waterline or Onyx-type Agate)
Silicon Dioxide (SiO2) - variety Chalcedony
Flint
Chert (a form of cryptocrystalline quartz, chemical formula SiO₂)
Jasper
Jasper (Cryptocrystalline Quartz, SiO2)
Green Aventurine
SiO2 (Silicon Dioxide with inclusions of Fuchsite mica)
Sandstone (with vugs)
Arenite / Sedimentary Sandstone
Sandstone
Arenite
Sandstone
Arenite (SiO2 principal)
Sandstone (Red/Brown Variety)
Arenite (SiO2 with iron oxide impurities)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Chert (Silicon Dioxide, SiO2)
Chert (Iron-stained)
Microcrystalline or Cryptocrystalline Quartz (SiO2)