Milky Quartz Geode with Chlorite
Silicon Dioxide (SiO2) with Chlorite group inclusions
mineral
Category
Mineral Side Rock
Browse mineral side rock specimens identified by the Rock Identifier community.
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Pink Granite Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Banded Sandstone (Quartzite-rich)
Clastic Sedimentary Rock (SiO2 with Iron Oxide impurities)
sedimentary
Quartz Druzy on Agate (River Cobble)
Silicon Dioxide (SiO2)
Mineral / Sedimentary (often associated with volcanic hosts)
Ferruginous Sandstone
Ferruginous Clastic Sedimentary Rock
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Clastic Sedimentary Rock (composed of SiO2 grains)
sedimentary
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Quartz (Milky or Smoky variant)
Silicon Dioxide (SiO2)
mineral
Prehnite
Prehnite Ca2Al2Si3O10(OH)2
mineral
Basalt with Plagioclase Phenocrysts (Porphyritic Basalt)
Porphyritic Basalt (Mafic volcanic rock)
igneous
Shale (with Iron Oxide staining)
Fissile Mudstone (primarily Quartz and Clay minerals)
sedimentary
Basalt with Quartz/Calcite Veins
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Marble
Recrystallized Carbonate Rock (CaCO3)
metamorphic
Druzy Quartz on Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Jasper)
Sedimentary Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz (Smoky/Milky Variety)
Silicon Dioxide (SiO2)
mineral
Eye Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
mineral
Banded Agate
Cryptocrystalline Quartz (SiO2)
mineral
Bull Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Grey Chalcedony
Silicon Dioxide (SiO2)
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
mineral
Agate Geode
Cryptocrystalline Quartz (SiO2) with Chalcedony banding
mineral
Dyed Agate
Agate (Silicon dioxide)
Mineral
Bloodstone
Chalcedony (Quartz)
Mineral
Rose Quartz
Silicon dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Diorite
Phaneritic intermediate plutonic rock
igneous
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
igneous
Banded Sandstone (Wonderstone)
Sandstone with Liesegang Rings (SiO2 with Iron Oxides)
sedimentary
Sandstone (Ferruginous)
Sandstone (mainly SiO2 with Fe2O3 staining)
sedimentary
Sandstone (specifically Red Sandstone)
Arenite (SiO2 with Iron Oxide)
sedimentary
Basalt
Mafic Igneous Rock
igneous
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
sedimentary
Geode with Quartz/Chalcedony
Silicon Dioxide (SiO2)
sedimentary
Basalt with Quartz Veins
Basalt (complex silicate) with Quartz (SiO2) intrusions
igneous
Turquoise
Hydrous phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Copper Ore (with Malachite and Azurite)
Hydroxide copper carbonate (Cu2CO3(OH)2 / Cu3(CO3)2(OH)2)
mineral
Seashell (Calcium Carbonate)
Calcium Carbonate (CaCO3)
mineral
Limonite Concretion (Ironstone)
Limonite / Goethite (FeO(OH)·nH2O)
sedimentary
Petrified Wood
Silicified Wood (primarily Quartz/SiO2)
mineral