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

Gemstone Tree Brooch (Agate and Quartz) (Silicon Dioxide (SiO2)) — mineral

Gemstone Tree Brooch (Agate and Quartz)

Silicon Dioxide (SiO2)

Chert (Jasper) (Silicon dioxide (SiO2) with impurities) — sedimentary

Chert (Jasper)

Silicon dioxide (SiO2) with impurities

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Jasper with Quartz (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Jasper with Quartz

Silicon Dioxide (SiO2) - Chalcedony variety

Chert (Arrowhead Fragment) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Arrowhead Fragment)

Silicon Dioxide (SiO2)

Carnelian Agate (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Red Jasper (Jasper (Silicon Dioxide) - SiO2) — sedimentary

Red Jasper

Jasper (Silicon Dioxide) - SiO2

Jasper (Green/Dragon Blood variety) (Silicon Dioxide (SiO2) with iron/clay inclusions) — sedimentary

Jasper (Green/Dragon Blood variety)

Silicon Dioxide (SiO2) with iron/clay inclusions

Carnelian (Carnelian (Cryptocrystalline Quartz, SiO2)) — mineral

Carnelian

Carnelian (Cryptocrystalline Quartz, SiO2)

Blue Chalcedony Geode (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony Geode

Silicon Dioxide (SiO2)

Agate Geode (Cryptocrystalline Quartz (SiO2)) — mineral

Agate Geode

Cryptocrystalline Quartz (SiO2)

Dendritic Chalcedony (Agate) (Cryptocrystalline Quartz (SiO2)) — mineral

Dendritic Chalcedony (Agate)

Cryptocrystalline Quartz (SiO2)

Carnelian (SiO2 (Quartz variety)) — gemstone

Carnelian

SiO2 (Quartz variety)

Agate Geode (Silicon Dioxide (SiO2)) — sedimentary

Agate Geode

Silicon Dioxide (SiO2)

Agate Geode Slice (Silicon Dioxide (SiO2) with trace elements) — sedimentary

Agate Geode Slice

Silicon Dioxide (SiO2) with trace elements

Chalcedony in Limestone Host Rock (Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)) — Mineral within Sedimentary Rock

Chalcedony in Limestone Host Rock

Silicon Dioxide (SiO2) within Calcium Carbonate (CaCO3)

Mineral within Sedimentary Rock

Quartz Pebble (Chert/Chalcedony variety) (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble (Chert/Chalcedony variety)

Silicon Dioxide (SiO2)

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

Chert / Jasper

Silicon Dioxide (SiO2)

Polished Tumbled Stone (Dark Chalcedony / Jasper) (Silicon Dioxide (SiO2)) — mineral

Polished Tumbled Stone (Dark Chalcedony / Jasper)

Silicon Dioxide (SiO2)

Tumbled carnelian (reddish chalcedony) (Carnelian, a cryptocrystalline variety of quartz (SiO₂)) — gemstone

Tumbled carnelian (reddish chalcedony)

Carnelian, a cryptocrystalline variety of quartz (SiO₂)

Yellow jasper or polished yellow chalcedony (Microcrystalline quartz, SiO₂, likely iron-stained jasper/chalcedony) — mineral

Yellow jasper or polished yellow chalcedony

Microcrystalline quartz, SiO₂, likely iron-stained jasper/chalcedony

Agate (Agate (Silicon Dioxide - SiO2)) — mineral

Agate

Agate (Silicon Dioxide - SiO2)

Chert (Common Opal/Quartz mix) (Microcrystalline Silicon Dioxide (SiO2)) — sedimentary

Chert (Common Opal/Quartz mix)

Microcrystalline Silicon Dioxide (SiO2)

Agate and Jasper (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Agate and Jasper

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Chert (Jasper)

Silicon Dioxide (SiO2)

Brown Chert (Cryptocrystalline Silica (SiO2)) — sedimentary

Brown Chert

Cryptocrystalline Silica (SiO2)

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

Chert / Flint

Chert (Microcrystalline Quartz, SiO2)

Red Jasper (Jasper (variety of Chert/Chalcedony, formula SiO2)) — sedimentary

Red Jasper

Jasper (variety of Chert/Chalcedony, formula SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Jasper

Silicon dioxide (SiO2) with impurities

Jasper (Silicon dioxide (SiO2)) — Sedimentary / Mineral

Jasper

Silicon dioxide (SiO2)

Sedimentary / Mineral

Red Jasper / Chert (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary

Red Jasper / Chert

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert Nodule (with Geode cavity) (Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Nodule (with Geode cavity)

Cryptocrystalline Quartz (SiO2)

Chert (White Chert/Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (White Chert/Flint)

Microcrystalline Quartz (SiO2)

Chalcedony / Agate (Silicon Dioxide (SiO2)) — mineral

Chalcedony / Agate

Silicon Dioxide (SiO2)

Tumbled brown quartz/chert pebble (Microcrystalline quartz (SiO₂), possibly chert or jasper) — mineral

Tumbled brown quartz/chert pebble

Microcrystalline quartz (SiO₂), possibly chert or jasper

Shale (Laminated Fissile Pelite) — sedimentary

Shale

Laminated Fissile Pelite

Jasper (Red-Brown Variety) (Microcrystalline Quartz (SiO2) with high Iron Oxide content) — sedimentary

Jasper (Red-Brown Variety)

Microcrystalline Quartz (SiO2) with high Iron Oxide content

Agate (SiO2 (Chalcedony/Quartz)) — sedimentary

Agate

SiO2 (Chalcedony/Quartz)

Carnelian Agate (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Carnelian Agate

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (or Flint) (SiO2 (predominantly microcrystalline quartz)) — Sedimentary

Chert (or Flint)

SiO2 (predominantly microcrystalline quartz)