Tree Agate (or Moss Agate)
Dendritic Agate (Silicon Dioxide - SiO2)
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Tree Agate (or Moss Agate)
Dendritic Agate (Silicon Dioxide - SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Milky Quartz (Water-worn Pebble)
Silicon Dioxide (SiO2)
Jasper (Iron-stained)
Silicon Dioxide (SiO2) with iron oxide inclusions
Lace Agate (specifically Red Lace Agate)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
Amethyst Geode
Amethyst (Silicon Dioxide, SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Fluorite
Calcium Fluoride (CaF2)
Aventurine Quartz
Silicon Dioxide (SiO2) with inclusions (typically Fuchsite/Mica)
Amethyst
Amethyst (Silicon Dioxide, SiO2)
Slag (Industrial Byproduct)
Ferrous/Non-ferrous Silicate
Blue Topaz
Al2SiO4(F,OH)2 (Fluorine-bearing aluminum silicate)
White Quartz
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Sandstone (Quartzose)
Arenite (primarily SiO2)
Chert (Flint)
Silicon dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Amethyst
Amethyst (Silicon Dioxide with iron impurities, SiO2)
Amethyst
SiO2 (Silicon Dioxide) - Purple variety of Crystalline Quartz
Amethyst
Amethyst (Silicon Dioxide with Iron impurities), SiO₂
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Amethyst
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
Amethyst Quartz
Silicon Dioxide (SiO2 with iron impurities)
Orange Quartz with Epidote
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate hydroxide (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
River Quartz Pitting/Cobble
Silicon Dioxide (SiO2)
Cloudy Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
Quartz Vein Outcrop
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz Geode Fragment
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with trace Iron impurities
Citrine
Silicon Dioxide (SiO2)
Aventurine (Green)
Silicon Dioxide (Quartz) with inclusions typically of Fuchsite; SiO2