Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Category
Mineral, Often Found As A Rock
Browse mineral, often found as a rock specimens identified by the Rock Identifier community.
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Rounded banded metamorphic cobble, likely greenstone or serpentinite
Probable greenschist-facies metavolcanic rock (chlorite–actinolite schist) or serpentinized ultramafic rock
metamorphic
Chert (Black Chert/Flint)
Silicon Dioxide (SiO2)
sedimentary
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2) with iron impurities
sedimentary
Quartzite Cobble
Quartzite (SiO2)
metamorphic
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
sedimentary
Chert (often called Flint in this variation)
Silicon dioxide (SiO2) - Microcrystalline quartz
sedimentary
Chert (Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
White druzy quartz pendant with a blue crystal accent
Quartz (SiO₂); the blue material is not identifiable from the image
mineral
Peridot
Olivine (specifically, the gem-quality variety forsterite, (Mg,Fe)2SiO4)
Mineral
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with various inclusions
mineral
Chert (specifically Flint or Jasper variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Carnelian Agate
Silicon Dioxide (SiO2) - Variety: Chalcedony
mineral
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite Cobble
Meta-quartzite (SiO2)
metamorphic
Yellow Jasper
Jasper (SiO2) with iron hydroxide inclusions
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert
Silicon dioxide (SiO2)
sedimentary
Chert (Honey Chert / Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert / Flint
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Chalcedony / Gray Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Likely dyed or naturally vivid-blue copper mineral specimen
Possibly chrysocolla (hydrated copper silicate); image alone cannot confirm the mineral or whether the color is treated
mineral
Magnetite
Magnetite (Fe3O4)
mineral
Magnetite or Hematite Nodule
Iron Oxide (Fe3O4 or Fe2O3)
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
gemstone
Red Jasper
Silicon Dioxide (SiO2) with Iron inclusions
sedimentary
Amethyst
Quartz variety; chemical formula: SiO₂ (silicon dioxide) with Fe³⁺ impurities
Mineral
Epidote in Quartz
Quartz with Epidote inclusions (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH) inclusions)
Mineral
Chert (Tan/Yellow variety)
Microcrystalline quartz (SiO2)
sedimentary
Quartzite with Quartz Vein
Metamorphosed Quartz-rich Arenite (SiO2)
metamorphic
Epidote
Epidote ({Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
mineral
Chert (Flint nodule)
Chert (SiO2)
sedimentary
Unakite (Epidotized Granite)
Epidotized Granite (mixture of Orthoclase, Epidote, and Quartz)
metamorphic
Granite Cobble
Phaneritic Felsic Igneous Rock
igneous
Jasper
Chalcedony (SiO2)
mineral