Mineral On Sedimentary Rock

Jasper

Jasper (Silicon Dioxide, SiO2)

Note regarding image quality

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Quartz in Basalt (Xenocryst)

Silicon Dioxide (SiO2) in Mafic Igneous Volcanic Rock

Vesicular Basalt with Quartz/Chalcedony

Vesicular Basalt (primarily Plagioclase, Pyroxene, and Olivine with SiO2 infill)

Fossiliferous Limestone (Shell Fragment)

Biogenic Limestone (Calcium Carbonate / CaCO3)

Jasper and Quartz conglomerate (River Rock)

Silicon Dioxide (SiO2) - Chalcedony and Quartz variety

Orthoclase Feldspar

Orthoclase (KAlSi3O8)

Chert (specifically Flint or Jasper variant)

Microcrystalline Quartz (SiO2)

Quartz Vein in Schist

Quartz (SiO2) in Mica Schist

Chalcedony (Banded/Mottled Variety)

Chalcedony (a cryptocrystalline variety of Quartz, SiO2)

Cherry Creek Jasper (also known as Red Creek Jasper or Cherry Creek Agate)

Jasper, microcrystalline quartz (SiO₂)

Yellow Calcite

Calcium Carbonate (CaCO3)

Basalt with Quartz Veining

Basalt (Mafic Extrusive Igneous Rock) with SiO2 (Silicon Dioxide) veins

Quartz

Quartz (SiO2, Silicon Dioxide)

Travertine

Terrestrial Sedimentary Form of Calcium Carbonate (CaCO3)

Chert (Yellow Jasper/Flint)

Silicon Dioxide (SiO2)

Chert (specifically Flint)

Microcrystalline quartz (SiO2)

Sandstone (likely Siltstone or Mudstone variety)

Clastic Sedimentary Rock (primarily SiO2 with iron oxides)

Chert (includes Flint & Jasper)

Chert (Siliceous sedimentary rock, chemical formula SiO2)

Fossiliferous Shale Matrix

Clastic Sedimentary Rock with Brachiopod or Mollusk shell fragments

Ammonite Fossil in Limestone Matrix

Ammonoidea (subclass) in Calcium Carbonate (CaCO3)

Chalk

Calcium Carbonate (CaCO3)

Milky Quartz

Silicon Dioxide (SiO2)

Orange Calcite

Calcium Carbonate (CaCO3)

Arsenopyrite in Quartz Matrix

Arsenopyrite (FeAsS) with Quartz (SiO2)

Lapis Lazuli (Tumbled)

Lazurite-dominated contact metamorphic rock

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Graphite Schist

C (Carbonaceous Schist)

Carnelian

Chalcedony (cryptocrystalline quartz), SiO2

Coquina

Bioclastic Limestone

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Orange Calcite

Calcite (Calcium Carbonate - CaCO3)

Greywacke with Quartz Vein

Matrix: Impure Sandstone (SiO2 + varied clasts), Veins: Quartz (SiO2)

Marble

Metamorphosed Limestone/Dolomite

Orange Calcite

Calcium Carbonate (CaCO3)

Limonite-stained Quartz

Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining

Lapis Lazuli

Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Lapis Lazuli

Lapis Lazuli (Rock composed primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Jasper (Chert)

Silicon Dioxide (SiO2)

Porphyry (Flower Stone)

Porphyry (Andesite or Basalt matrix)