Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Man Made Material (Metal)
Browse man made material (metal) specimens identified by the Rock Identifier community.
Granite (Alkali-feldspar Granite)
Felsic Plutonic Rock (Primary minerals: Quartz SiO2, Orthoclase KAlSi3O8, Plagioclase (Na,Ca)AlSi3O8)
igneous
Sandstone (Quartzose Sandstone)
Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)
sedimentary
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (Lithic Sandstone)
sedimentary
Jasper
Jasper (Silicified microcrystalline quartz) - SiO2
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Diorite (Salt and Pepper Rock)
Phaneritic Plutonic Diorite (Plagioclase Feldspar + Amphibole/Biotite)
igneous
Pink Granite
Phaneritic Quartz-Feldspar Granite
igneous
Sandstone (likely Arkosic or Quartzose)
Arenite (SiO2 based with mineral inclusions)
sedimentary
Greenschist
Greenschist (Chlorite Schist)
metamorphic
Chlorastrolite (Greenstone)
Chlorastrolite (variety of Pumpellyite) - Ca2(Mg,Fe)Al2(SiO4)(Si2O7)(OH)2 · H2O
mineral
Thunderegg (Agetized Geode nodule)
Rhyolitic Agate Nodule (SiO2 filling volcanic cavities)
igneous
Olivine (Peridotite)
Olivine Group; (Mg, Fe)2SiO4
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Sandstone (Quartzose Sandstone)
Arenite (primarily SiO2)
sedimentary
Red Granite
Phaneritic Plutonic Rock (High Potassium Feldspar)
igneous
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Siltstone
Siltstone (composed of microscopic silt-sized particles of quartz and feldspar)
sedimentary
Sandstone (Fossiliferous)
Clastic Sedimentary Rock (primarily SiO2)
sedimentary
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Sandstone
Arenite
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 cement)
sedimentary
Mica Schist
Mica Schist (primarily Muscovite and Biotite KAl2(AlSi3O10)(OH)2)
metamorphic
Yellow Quartzite River Cobble
Meta-quartzite (SiO2 with iron oxide staining)
metamorphic
Sedimentary Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Gold and Diamond
Native Gold (Au) and Diamond (C)
mineral
Chert (Jasper/River Stone)
Silicon dioxide (SiO2) - Microcrystalline quartz
sedimentary
Amygdaloidal Basalt with Epidote
Vesicular Basalt with secondary Epidote/Quartz mineral infill
igneous
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Rhyolite
Rhyolite (felsic volcanic rock)
igneous
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Siltstone
Siltstone (primarily composed of microcrystalline Quartz and Feldspar)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Sandstone (Ferruginous)
Arenite (SiO2 with iron oxide impurities)
sedimentary
Sandstone
Clastic Sedimentary Rock (composed primarily of Quartz, SiO2)
sedimentary
Mica Schist with Garnet
Garnetiferous Mica Schist
metamorphic
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Puddingstone (Gowganda)
Jasper-clast Polymictic Conglomerate (Gowganda Formation)
sedimentary
Sandstone
Arenite
sedimentary