Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)
Category
Browse antropogenic (man made glass byproduct) specimens identified by the Rock Identifier community.
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) cementing agents)
Sandstone
Arenite/Quartz Arenite
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Feldspar (Orthoclase/Potassium Feldspar)
KAlSi3O8 (Potassium Aluminum Silicate)
Sandstone (Quartzose Sandstone)
Clastic sedimentary rock (primarily SiO2)
Sandstone
Arenite (composed primarily of SiO2)
Sand (Construction Grade)
Unconsolidated siliciclastic sediment (primarily SiO2)
Quartzite River Rock
Quartzite (SiO2)
Chert / Jasper
Silicon Dioxide (SiO2)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Pumice
Pumicite
Fluorite (translucent octahedral crystal)
Calcium fluoride (CaF2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Dendritic Jasper (Bumblebee like Agate)
Silicon Dioxide with inclusions (SiO2)
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Fluorite
Calcium fluoride (CaF2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
Celestite (Celestine)
Strontium sulfate (SrSO4)
Quartz pebble
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Obsidian (Apache Tear)
Amorphous Volcanic Glass (SiO2 + impurities)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite
Fluorite (Calcium Fluoride, CaF2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz nodule (River pebble)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz / Quartzite
Silicon Dioxide (SiO2)