Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Green Aventurine and Clear Quartz
Green Aventurine (Silicon Dioxide - SiO2 with Fuchsite inclusions); Clear Quartz (Silicon Dioxide - SiO2)
Quartz (River Pebble)
Quartz (SiO₂ - Silicon Dioxide)
Unakite
Epidotized Granite
Green Quartzite
Quartzite (SiO2)
Schist (Micaceous)
Mica Schist (predominantly Muscovite or Biotite)
Unakite
Epidotized Granite
Banded Gneiss (River Cobble)
Gneiss (a high-grade metamorphic rock)
Red Jasper (with Quartz Veins)
Jasper (var. chert, SiO₂)
Mica (likely Muscovite)
Muscovite / KAl2(AlSi3O10)(OH)2
Bismuth
Bismuth (Bi)
Rhodonite
Rhodonite (MnSiO3)
Rock Crystal Quartz
Quartz (SiO₂)
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Agate (Nodule/Chert)
Silicon Dioxide (SiO2)
Quartz
Silicon Dioxide (SiO₂)
Amazonite
Amazonite (KAlSi3O8)
Rhodonite
Manganese Inosilicate (MnSiO3), often with Ca, Fe, Mg, Zn
White Topaz
Al2SiO4(F,OH)2
Quartz
Silicon Dioxide (SiO2)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Wishing Stone (Basalt or Siltstone with Quartz/Calcite Vein)
Basalt (SiO2+MgO+FeO) or Siltstone with a Quartz (SiO2) or Calcite (CaCO3) vein
Biotite Schist (likely)
Biotite Schist (rock), Biotite (mineral)
Quartz Pebble
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Hematite
Hematite (Fe2O3)
Hypersthene (or Enstatite/Ferrosilite)
Orthopyroxene series (Mg,Fe)SiO3 - specifically, historically hypersthene (intermediate member) now referred to as Enstatite (Mg-rich) or Ferrosilite (Fe-rich)
Gneiss (Metamorphic Rock)
Gneiss (variable mineral formula primarily containing Quartz, Feldspar, and Mica)
Quartzite
Quartzite (SiO2)
Unakite
Epidotized Granite
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
Sandstone
Arenite (primarily SiO2)
Chalcedony (Banded/Mottled Variety)
Chalcedony (a cryptocrystalline variety of Quartz, SiO2)
Hematite (beads)
Hematite (Fe₂O₃)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn)2-3(Si, Al, Fe)2O5(OH)4
Demantoid Garnet on Matrix
Demantoid (variety of Andradite Garnet) - Ca3(Fe3+)2(SiO4)3
Black Tourmaline
Schorl (Na(Fe2+)_{3}Al_{6} (BO_{3})_{3} (Si_{6}O_{18})(OH)_{4})
Chert (Flint)
SiO2 (predominantly microcrystalline or cryptocrystalline quartz)
Quartz Geode/Cluster
Quartz (SiO2)
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)