Clear Quartz
Silicon dioxide (SiO2)
mineral
Category
Anthropogenic (Man Made Product Subject To Geological Processes)
Browse anthropogenic (man made product subject to geological processes) specimens identified by the Rock Identifier community.
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt with Secondary Mineral Inclusions
Aphanitic Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
mineral
Sandstone
Arenite (Clastic Sedimentary Rock)
sedimentary
Red Jasper
Silicon Dioxide (SiO2)
sedimentary
Pumice
Vesicular volcanic glass
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Gray variety)
Silicon Dioxide (SiO2)
mineral
White Quartz (Carved or Tumbled)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz / Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Milky Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Red Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Sandstone (with Iron Staining)
Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)
sedimentary
Basalt
Basalt (containing mainly Plagioclase feldspar and Pyroxene)
igneous
Sandstone
Arenite (SiO2 based with quartz grains)
sedimentary
Granite
Granite (Phaneritic Igneous Rock)
igneous
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Rugose Coral (Horn Coral)
Order Rugosa (extinct fossilized coral)
sedimentary
Epidote (Unakite-related)
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Green Calcite (often commercially called Green Onyx)
Calcium Carbonate (CaCO3)
Mineral
Quartz (Milky or Smoky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Crystal Point
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Diamond in Gold Setting
Diamond (C - pure carbon)
mineral
Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Petrified Wood (Jet or Coalified Wood appearance)
Silicified wood (principally SiO2) or Carbonized Wood
sedimentary
Quartz (Common or Milky)
Silicon Dioxide (SiO2)
mineral
Jasper (specifically Yellow/Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral