Mineral Within Sedimentary Rock

Sandstone (Pebble)

Arenite (primarily SiO2)

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Turquoise

Turquoise, CuAl6(PO4)4(OH)8·4H2O

Dalmatian Stone

Dalmatian Jasper (a trade name for an igneous microcrystalline rock composed mostly of feldspar, quartz, and dravite)

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Turquoise

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]

Fossiliferous Limestone

Biogenic Sedimentary Rock (CaCO3)

Limonite Concretion

Limonite (Hydrated iron(III) oxide-hydroxides, FeO(OH)·nH2O)

Quartz Geode

Silicon Dioxide (SiO2)

Ironstone Concretion

Ironstone (Siderite/Limonite/Goethite)

Raw Agate (Chalcedony Nodule)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Limonite stained Sandstone

Sedimentary rock with Goethite/Limonite (FeO(OH)·nH2O)

Quartz (Milky/Smoky variety on matrix)

Silicon Dioxide (SiO2)

Quartz Druzy (on Calcedony/Quartz base)

Silicon Dioxide (SiO2)

Quartz Geode

Silicon Dioxide (SiO2)

Sandstone (specifically an Iron-Concretion)

Arenite with Iron Oxide (Limonite/Goethite) cementation

Chert (Banded)

Microcrystalline Quartz (SiO2)

Chert (Brown variety / Common Jasper)

Microcrystalline Quartz (SiO2)

Chalcedony (Botryoidal/Agate nodule)

Microcrystalline Quartz (SiO2)

Quartz (Herkimer Diamond variant)

Silicon Dioxide (SiO2)

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Pyrite in Slate or Shale

Iron Sulfide (FeS2) in Argillaceous Matrix

Chert Pebble with Quartz Veins

Microcrystalline Quartz (SiO2)

Chert (specifically Agate/Jasper variety)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert / Flint (Yellow Jasper Variant)

Microcrystalline Quartz (SiO2 with Iron Oxide impurities)

Moqui Marble (Iron Oxide Concretion)

Iron Oxide Concretion (primarily Limonite/Hematite around a Sandstone center)

Ironstone concretion

Siderite or Limonite-rich Concretion (FeO(OH)·nH2O)

Conglomerate

Conglomerate (Detrital Sedimentary Rock)

Conglomerate

Clastic sedimentary rock (Conglomerate)

Chert (Flint/Jasper variety)

Silicon Dioxide (SiO2)

Chert

Microcrystalline Quartz (SiO2)

Chert (Flint)

Chert (Cryptocrystalline Silicon Dioxide, SiO2)

Chert (Iron-stained)

Chert (Cryptocrystalline Silica, SiO2)

Chert (Jasper variety)

Silicon Dioxide (SiO2)

Dalmation Jasper

Aplite with Arfvedsonite inclusions (SiO2 with Na3(Mg,Fe2+)4AlSi8O22(OH)2)

Conglomerate

Conglomerative Sedimentary Rock

Milky Quartz

Silicon Dioxide (SiO2)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Conglomerate

Conglomerate (clastic sedimentary rock)

Chert (varietal: Flint/Jasper mix)

Hydrous Silica (SiO2)