Quartz with Iron Oxide Inclusions
Silicon Dioxide (SiO2)
Category
Browse man made glass mineral simulant specimens identified by the Rock Identifier community.
Quartz with Iron Oxide Inclusions
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone with Iron Staining
Arenite with Limonite/Hematite inclusions (SiO2 + Fe2O3/FeO(OH))
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz Crystal (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Green Aventurine (Propably a tumbled variety)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Quartz (Citrine or Iron-Stained)
Silicon Dioxide (SiO2)
Polished pink feldspar pebble
Orthoclase or microcline feldspar, KAlSi₃O₈; exact identification is uncertain from the image
Blue Celestite
Strontium Sulfate (SrSO4)
Likely quartz-bearing mineral aggregate
Quartz (SiO₂), possibly mixed with mica or feldspar
Tumbled amber-like chalcedony or resinous fossil material
Likely chalcedony (microcrystalline SiO₂), though the appearance could also indicate copal/amber
Rose Quartz
Quartz (SiO₂), specifically a variety of Quartz
Smoky Quartz
Quartz (Silicon Dioxide) - SiO2
Quartz pebble
Silicon dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert / Flint
Chert (Silicon Dioxide, SiO2)
Pegmatitic pink feldspar–quartz rock
Granitic pegmatite; chiefly microcline/orthoclase feldspar (KAlSi₃O₈), quartz (SiO₂), and minor mica
Sandstone (Weathered / Crushed)
Quartz Sandstone
Quartz
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Sandstone
Clastic Sedimentary Rock
Obsidian (Gold Sheen)
Obsidian (SiO2 + impurities)
Snowflake Obsidian
Spherulitic Volcanic Glass (primarily SiO2 with Cristobalite inclusions)
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Potassium Feldspar (Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
Quartz Pebble (with Iron Inclusions)
Silicon Dioxide (SiO2)
Quartz-rich metamorphic rock, likely milky quartz or quartzite
Quartz (SiO₂); possibly quartzite composed predominantly of recrystallized quartz
Sandstone (Quartzite Pebble)
Arenite / Metamorphosed Sandstone (SiO2)
Smoky quartz
Quartz, silicon dioxide (SiO₂), brown to gray variety
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz geode
Microcrystalline quartz and drusy quartz (SiO₂), commonly lining a chalcedony-rich cavity
Tumbled Rose Quartz
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Weathered quartz-rich pebble (tentative)
Likely quartz/chalcedony, SiO₂, possibly iron-stained
Yellow Fluorite
Calcium fluoride (CaF2)
Quartz (Clear Quartz / Rock Crystal)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Granitic Pegmatite
Pegmatite (composed primarily of Quartz, Feldspar, and Muscovite mica)
Tumbled milky quartz (likely quartz pebble)
Quartz, silicon dioxide (SiO₂)
Quartz
Silicon Dioxide (SiO2)