Sandstone
Sandstone (Siliciclastic Sedimentary Rock)
sedimentary
Category
Synthetic Glass (Often Categorized As A Simulated Mineral)
Browse synthetic glass (often categorized as a simulated mineral) specimens identified by the Rock Identifier community.
Learn about Synthetic Glass (Often Categorized As A Simulated Mineral) in the encyclopedia
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Quartzite
Quartzite (SiO2)
metamorphic
Quartz (Milky or Rough Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon dioxide (SiO2)
mineral
Psilomelane (Black Hematite/Manganese Ore)
Barium Manganese Oxide (Formula: BaMn9O18(OH)4)
mineral
Blue Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Sandstone/Quartzite
Sedimentary Rock (composed mainly of SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Clear fragment)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Green Aventurine
Aventurine Quartz (SiO2 containing Fuchsite)
metamorphic
Agate
Chalcedony (SiO2)
sedimentary
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
mineral
Sandstone
Arenite (SiO2 composition primarily)
sedimentary
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Muscovite Mica (Golden/Yellow variety)
KAl2(AlSi3O10)(F,OH)2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
mineral
Quartz with Iron Stains
Silicon Dioxide (SiO2) with FeOx inclusions
mineral
Clear Quartz (Faceted Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz Geode or Druzy Quartz in Host Rock
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (SiO2)
mineral
Quartz (Common Quartz/Quartzite)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Peach / Hematoid Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Quartz Vein in Siltstone
SiO2 (Quartz) on clastic sedimentary matrix
sedimentary
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral