Quartz Vein Rock
Silicon dioxide (SiO2) within a host rock matrix
mineral
Category
Mineral Within Sedimentary Rock
Browse mineral within sedimentary rock specimens identified by the Rock Identifier community.
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Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Himalayan Pink Salt
Halite (NaCl) with iron oxide inclusions
sedimentary
Siltstone with Iron Staining
Siltstone (primarily SiO2 with Fe2O3 staining)
sedimentary
Chert / Flint
Chert (Silicon Dioxide, SiO2)
sedimentary
Chalcedony in Matrix
Silicon Dioxide (SiO2)
mineral
Fluorite in Matrix
Fluorite (CaF2) within a host rock matrix
Mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite (Fe2O3·nH2O) inclusions
mineral
Quartz Geode Cluster (Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Dalmation Stone
Peralkaline Rock (Microcline Quartz mixture with Arfvedsonite)
igneous
River Rock (Gneiss/Schist mix)
Foliated Metamorphic Rock (Gneiss)
metamorphic
Chert Nodule
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Slate
Slate (Foliated Metamorphic Rock)
metamorphic
Yellow Jasper (Chert)
Silicon Dioxide (SiO2) with Iron Oxide impurities
mineral
Jasper and Basalt (Lake Superior Agate or Jasper Pebble)
Silicified rock / Cryptocrystalline quartz (SiO2) with basalt matrix
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) in a Secondary Sedimentary/Volcanic cavity
mineral
Ironstone Concretion / Goethite Nodules
Ironstone (composed primarily of Goethite FeO(OH) and Limonite)
sedimentary
K2 Jasper (K2 Granite)
Azurite in Granite (Biotite Granite with Azurite inclusions)
igneous
Ironstone Concretion (Moqui Marble)
Iron Oxide Concretion (Fe2O3 / FeO(OH) mixed with SiO2)
sedimentary
Amethyst
Quartz (Silicon Dioxide with iron impurities), SiO2
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Gneiss with Quartz Veining
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Limonite-stained Chert
Silicon Dioxide (SiO2) with Hydrated Iron Oxide (FeO(OH)·nH2O)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminum; CuAl6(PO4)4(OH)8·4H2O
mineral
Gneiss
Gneiss (High-grade regional metamorphic rock)
metamorphic
Banded Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Chert (Agatized)
Silicon dioxide (SiO2)
sedimentary
Chert / River Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Septarian Nodule (Galt)
Calcareous concretion / Septarian concretion
sedimentary
Iron-Oxide Concretion (Moqui Marble)
Goethite/Hematite Concretion (Fe2O3 / FeO(OH))
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Vesicular Sandstone
Clastic Sedimentary Rock (Sandstone)
sedimentary
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
sedimentary
Yellow Jasper (within host rock)
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
sedimentary
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
mineral
Gneiss
High-grade metamorphic rock (Gneiss)
metamorphic
Mica Schist
Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)
metamorphic