Rock Identifier

Category

Sedimentary (Microcrystalline Silicate)

Browse sedimentary (microcrystalline silicate) specimens identified by the Rock Identifier community.

Learn about Sedimentary (Microcrystalline Silicate) in the encyclopedia

Chert

Ironstone

Kambaba Jasper

Quartzite Sandstone

Quartzite Sandstone

Diatomite

Chert (Flint) (Silicon dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon dioxide (SiO2)

Carnelian (Carnelian (Silicon Dioxide, SiO2)) — mineral

Carnelian

Carnelian (Silicon Dioxide, SiO2)

Yellow Ochre / Limonite (Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)) — mineral

Yellow Ochre / Limonite

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

Likely weathered sandstone or iron-rich chert fragment (Indeterminate; probable quartz-rich sandstone (SiO₂) with iron-oxide cement, possibly chert) — sedimentary

Likely weathered sandstone or iron-rich chert fragment

Indeterminate; probable quartz-rich sandstone (SiO₂) with iron-oxide cement, possibly chert

Jasper (specifically Yellow Jasper and Red Jasper) (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Jasper (specifically Yellow Jasper and Red Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

Carnelian (Yellow-Orange Chalcedony) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Carnelian (Yellow-Orange Chalcedony)

Silicon Dioxide (SiO2) with iron oxide inclusions

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

Chert (Nodule) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Nodule)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (and Chert-based Jasper) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — Sedimentary

Chert (and Chert-based Jasper)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Leopard Skin Jasper or Ring Jasper (Microcrystalline Quartz (Chalcedony with impurities)) — sedimentary

Leopard Skin Jasper or Ring Jasper

Microcrystalline Quartz (Chalcedony with impurities)

Chocolate Jasper (Microcrystalline Quartz (SiO2) with impurities) — sedimentary

Chocolate Jasper

Microcrystalline Quartz (SiO2) with impurities

Zebra Jasper (Banded microcrystalline quartz (SiO2)) — sedimentary

Zebra Jasper

Banded microcrystalline quartz (SiO2)

Chert (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert

Chert (Microcrystalline Quartz, SiO2)

Chert (Flint) (Chert (Microcrystalline Quartz, SiO2)) — sedimentary

Chert (Flint)

Chert (Microcrystalline Quartz, SiO2)

Carnelian (SiO2 (Microcrystalline Quartz / Chalcedony)) — mineral

Carnelian

SiO2 (Microcrystalline Quartz / Chalcedony)

Jasper (Cream/Yellow variety) (Jasper (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper (Cream/Yellow variety)

Jasper (Microcrystalline Quartz, SiO2)

Chert (Flint) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Flint) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

Carnelian (SiO2 (Variety of Chalcedony)) — gemstone

Carnelian

SiO2 (Variety of Chalcedony)

Limonite (Iron Stone/Ocher) (Limonite (FeO(OH)·nH2O)) — mineral

Limonite (Iron Stone/Ocher)

Limonite (FeO(OH)·nH2O)

Chert (Flint Nodule) (Microcrystalline and Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Flint Nodule)

Microcrystalline and Cryptocrystalline Quartz (SiO2)

Chert (specifically Flint or Jasper variant) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (specifically Flint or Jasper variant)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Carnelian Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Carnelian Agate

Chalcedony (Silicon Dioxide, SiO2)

Agate (or Operculum / Fossil Shell) (Silicon Dioxide (SiO2)) — mineral

Agate (or Operculum / Fossil Shell)

Silicon Dioxide (SiO2)

Lightning Stone / Fulgurite-impregnated or Septarian-like Agate (Silicon dioxide (Quartz/Chalcedony) with host rock matrix) — sedimentary

Lightning Stone / Fulgurite-impregnated or Septarian-like Agate

Silicon dioxide (Quartz/Chalcedony) with host rock matrix

Agate (SiO2 (Chalcedony / Quartz)) — sedimentary

Agate

SiO2 (Chalcedony / Quartz)

Carnelian Ring (SiO2 (Variety of Chalcedony)) — gemstone

Carnelian Ring

SiO2 (Variety of Chalcedony)

Carnelian (Silicon Dioxide (Variety of Chalcedony, SiO2)) — gemstone

Carnelian

Silicon Dioxide (Variety of Chalcedony, SiO2)

Yellow Agate (Chalcedony) (Silicon Dioxide (SiO2)) — sedimentary

Yellow Agate (Chalcedony)

Silicon Dioxide (SiO2)

Fancy Jasper (Silicon Dioxide (SiO2) with iron oxide inclusions) — sedimentary

Fancy Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Carnelian (Silicon dioxide (SiO2)) — mineral

Carnelian

Silicon dioxide (SiO2)

Jasper (Silicon dioxide (SiO2) with iron oxide impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with iron oxide impurities

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Chalcedony (Silicon Dioxide (SiO2)) — mineral

Chalcedony

Silicon Dioxide (SiO2)

Chert (Black Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Black Flint)

Silicon Dioxide (SiO2)

Yellow Jasper (Cryptocrystalline Quartz (SiO2 with Iron inclusions)) — sedimentary

Yellow Jasper

Cryptocrystalline Quartz (SiO2 with Iron inclusions)

Red Jasper (Microcrystalline Quartz (Chalcedony), SiO2) — sedimentary

Red Jasper

Microcrystalline Quartz (Chalcedony), SiO2

Chert (variant Flint or Jasper) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (variant Flint or Jasper)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Iron-stained) (Microcrystalline or Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline or Cryptocrystalline Quartz (SiO2)