Quartz Geode
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Chemically Precipitated Mineral)
Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Chemically Precipitated Mineral) in the encyclopedia
View all →
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in a Geode
mineral
Quartz Geode
Crystalline Silicon Dioxide (SiO2) in sedimentary/volcanic host
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Orbicular Jasper
Silicon Dioxide (SiO2)
sedimentary
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Sulfur
Native Sulfur (S8)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Sandstone Concretion
Clastic sedimentary rock (primarily Quartz SiO2 with mineral cement)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz (Microcrystalline Fragment)
Silicon Dioxide (SiO2)
mineral
Geode
Crystalline Quartz (SiO2) within a nodule
sedimentary
Amygdaloidal Basalt
Vesicular Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)
igneous
Milky Quartz Geode / Chalcedony Nodule
Quartz (Silicon Dioxide - SiO2)
mineral
Chalcopyrite
CuFeS2 (Copper Iron Sulfide)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Gold
Native Gold (Au)
mineral
Raw Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz (Pebble)
Silicon Dioxide (SiO2)
mineral
Red Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Septarian Nodule (Dragon Stone)
Calcite-Aragonite-Limestone Septarian
sedimentary
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral
Quartz Sand
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Hematitic Sandstone
Sandstone with Iron Oxide (Hematite) staining
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Aragonite Star Cluster
Aragonite (Calcium Carbonate - CaCO3)
mineral
Green Agate
Silicon dioxide (SiO₂)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral