Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Synthetic)
Browse mineral (synthetic) specimens identified by the Rock Identifier community.
Learn about Mineral (Synthetic) in the encyclopedia
View all →
Quartz Crystal on Matrix
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Magnetite / Iron Ore
Magnetite (Fe3O4)
mineral
Quartzite with inclusions or a banded chert
Quartzite or Chert
Metamorphic or Sedimentary
Quartz (Microcrystalline Fragment)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
N/A (Non-Geological Object)
N/A
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Greenstone
Greenschist (metamorphosed mafic igneous rock)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Fossilized Shark Tooth (Fragment) in Matrix
Elasmobranchii (subclass)
fossil
Thulite in Matrix
Pink Zoisite - Ca2Al3(SiO4)3(OH)
metamorphic
Chalcedony or Chert/Jasper with secondary mineral staining
SiO2 (for chalcedony/quartz) with possible secondary copper minerals (e.g., CuSiO3·nH2O for chrysocolla, Cu2(CO3)(OH)2 for malachite) or iron oxides/hydroxides.
Mineral, potentially a rock with chalcedony/jasper.
Dinosaur Bone (Fossilized)
Permineralized Bone (CaCO3 or SiO2 after Hydroxylapatite)
sedimentary
Sandstone
Arenite
sedimentary
Fossil Sand Dollar (Echinoidea)
Phylum Echinodermata, Class Echinoidea (likely Dendraster or Scutella)
sedimentary
Healer's Gold (Pyrite and Magnetite in Schist)
Magnetite (Fe3O4) and Pyrite (FeS2) in Mica Schist
metamorphic
Spinosaurid Dinosaur Tooth
Spinosaurus aegyptiacus (fossilized)
fossil
Spinosaurus Tooth
Spinosaurus aegyptiacus (fossilized in Hydroxyapatite)
sedimentary
Red Sandstone
Arenite (Iron-rich)
sedimentary
Greenschist
Greenschist (Chlorite Schist)
metamorphic
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Shark Tooth Fossil
Elasmobranchii dentition (fossilized)
fossil
Granite
Granite (silica-rich intrusive igneous rock)
igneous
Garnet
Garnet Group (Silicate mineral); general formula X3Y2(SiO4)3
Mineral
Granite (Micro-specimen)
Plutonic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Iron, or Manganese
mineral
Amethyst Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium or Manganese
mineral
Quartz with Schorl inclusions
Silicon Dioxide (SiO2) with Sodium Iron Aluminum Borosilicate Hydroxide (Black Tourmaline)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Fuchsite in Quartz
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Quartz (SiO2)
metamorphic
Dyed Blue Agate Slice
Silicon Dioxide (SiO2) with artificial dye
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Copper Ore with Chrysocolla/Malachite
Hydrated copper phyllosilicate (Chrysocolla) / Copper carbonate hydroxide (Malachite)
mineral
Amazonite
Microcline (KAlSi3O8) with lead impurities
mineral