Vuggy Quartz on Matrix
Silicon Dioxide (SiO2)
Category
Browse mineral or sedimentary rock (with mineral inclusions) specimens identified by the Rock Identifier community.
Vuggy Quartz on Matrix
Silicon Dioxide (SiO2)
Banded Gneiss
Gneiss (High-grade Metamorphic Rock)
Gneiss
Foliated Metamorphic Rock (Gneiss)
Sandstone
Arenite (SiO2 principal)
Milky Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
Gneiss
Gneiss (High-grade metamorphic rock composed primarily of Quartz, Feldspar, and various Micas)
Jasper (specifically Red Jasper/Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Jasper (Silicon Dioxide, SiO2 with iron inclusions)
Rock Salt (Halite)
Halite (Sodium Chloride, NaCl)
Quartz (Druzy or Geode fragment)
Silicon Dioxide (SiO2)
Sandstone (lithic/greywacke variety)
Arenite (composed primarily of SiO2 with various lithic fragments)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
Quartz with inclusions (likely Tourmaline or Biotite)
Silicon Dioxide (SiO2)
Druzy Quartz (part of a Geode)
Silicon Dioxide (SiO2)
Clear Quartz (Druzy)
Crystalline Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Sandstone Geode (Unbroken)
Siliciclastic sedimentary rock (primarily Quartz)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Coquina
Biogenic Limestone (Calcite/Aragonite base, CaCO3)
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Pyrite in Shale
Iron Sulfide (FeS2)
Chalcedony (variations like Agate or Jasper)
Chalcedony (SiO₂ - microcrystalline quartz)
Blue Kyanite
Kyanite (Al2SiO5)
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz with iron inclusions
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Sandstone (Micaceous)
Arenite (composed primarily of SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Sandstone (likely Graywacke or Arkose variant)
Clastic Sedimentary Rock (SiO2 based)
Sandstone (Greywacke/Siltstone variant)
Clastic Sedimentary Rock (composed primarily of Quartz SiO2 and Feldspar)
Sedimentary Breccia
Clastic Breccia (CaCO3/SiO2 matrix)
Chert (Quartz Pebble)
Silicon Dioxide (SiO2)
Quartz / Common Agate
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Sandstone
Arenite (primarily composed of SiO2 - Silicon Dioxide)
Sandstone (likely with Borings or Vesicular Basalt)
Clastic Sedimentary Rock (Sandstone)
Jasper
Silicon dioxide (SiO2) with iron oxide and clay inclusions
Sandstone
Arenite (composed primarily of SiO2)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminium phosphate)