Orbicular Jasper (Eye Jasper / Kambaba-like pattern)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Category
Browse mineral simulant (synthetic glass) specimens identified by the Rock Identifier community.
Orbicular Jasper (Eye Jasper / Kambaba-like pattern)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Freshwater Pearl
Aragonite / Biogenic Calcium Carbonate (CaCO3)
Sandstone (Quartz-rich)
Clastic sedimentary rock (SiO2 primary)
Yellow Quartz Pebble (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Amethyst and Citrine (Ametrine Mix)
Silicon Dioxide (SiO2) with Fe3+ impurities
Granitic Quartz or Pegmatite
Quartz with Orthoclase Feldspar (SiO2 + KAlSi3O8)
Quartzite Pebble
Quartzite (SiO2)
Milky Quartz
Quartz (Silicon Dioxide) - SiO2
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Citrine (likely Heat-Treated)
Quartz (Silicon Dioxide, SiO2)
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
Dyed Blue Quartzite
SiO2 (Silicon Dioxide) with artificial colorants
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Green Quartz (including Prase or Aventurine variants)
Silicon Dioxide (SiO2) with inclusions (likely Actinolite or Chlorite)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with iron oxide cement)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (SiO2 principal)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sandstone
Arenite (primarily SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Agate Jasper
Cryptocrystalline Quartz (SiO2) with impurities
Snowflake Obsidian
Volcanic glass with Phenocrysts (SiO2 with Cristobalite inclusions)
Sandstone
Arenite (primarily Quartz, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2) with iron oxide impurities
Amber
Succinite (Resinous fossilized tree sap)
Rose Quartz with Feldspar Inclusions
Silicon Dioxide (SiO2)
Obsidian
Volcanic glass (no mineral formula due to amorphous structure, mostly SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Chert Nodule in Limestone
Chert (Microcrystalline Quartz, SiO2) and Limestone (Calcium Carbonate, CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Sandstone (Pebble)
Arenite / Clastic Sedimentary Rock
Red Jasper
Silicon Dioxide with Hematite impurities (SiO2 + Fe2O3)
Quartz Pebble
Silicon Dioxide (SiO2)