Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)
Chalcedony (Common Agate)
Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Tiger's Eye (specifically Blue Tiger's Eye / Falcon's Eye)
Pseudomorph of Quartz after Crocidolite (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Emerald
Beryl (Be3Al2Si6O18), specifically the green variety colored by chromium or vanadium
Bumblebee Jasper
Fibrous Calcite and Orpiment/Realgar/Pyrite mix
Carnelian Agate
Chalcedony (SiO2 with Iron Oxides)
Dumortierite Quartz
Al7BO3(SiO4)3O3 (Aluminum borate silicate)
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Banded Agate
Cryptocrystalline Quartz (SiO2)
Chert (specifically Jasper or Flint variety)
Cryptocrystalline Quartz (SiO2)
Blue Topaz
Aluminum Silicate Fluoride Hydroxide Al2SiO4(F,OH)2
Quartz Crystal
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Chert/Quartzite)
Silicon Dioxide (SiO2)
Pink Feldspar with Quartz
Potassium Feldspar (Orthoclase) with SiO2
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (specifically Red or Brecciated Jasper variant)
Jasper (Microcrystalline Quartz - SiO2)
Selenite
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O