Rock Identifier

Category

Microcrystalline Quartz

Browse microcrystalline quartz specimens identified by the Rock Identifier community.

Learn about Microcrystalline Quartz in the encyclopedia

Chalcedony

Chert

Brown Jasper

Flower Jasper

Red Jasper

Feather Jasper

Royal Imperial Jasper

Scenic Jasper

Carrasite Jasper

Map Jasper

Dendritic Jasper

Sonoran Sunset Jasper

Kambaba Jasper (Crocodile Jasper) (Stromatolitic Rhyolite/Jasper (SiO2)) — sedimentary

Kambaba Jasper (Crocodile Jasper)

Stromatolitic Rhyolite/Jasper (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Banded Agate (Cryptocrystalline Quartz (SiO2)) — mineral

Banded Agate

Cryptocrystalline Quartz (SiO2)

Flint / Chert (Microcrystalline quartz (SiO2)) — sedimentary

Flint / Chert

Microcrystalline quartz (SiO2)

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

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Red Jasper (Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions

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

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Red Jasper (Chert)

Silicon Dioxide (SiO2)

Yellow-brown chert (possible jasper) (Microcrystalline quartz, SiO₂; iron-oxide-stained chert) — sedimentary

Yellow-brown chert (possible jasper)

Microcrystalline quartz, SiO₂; iron-oxide-stained chert

Chert or flint fragment (Microcrystalline quartz (SiO₂), likely chert/flint) — sedimentary

Chert or flint fragment

Microcrystalline quartz (SiO₂), likely chert/flint

Banded Chert / Agate Pebble (Silicon Dioxide (SiO2)) — sedimentary

Banded Chert / Agate Pebble

Silicon Dioxide (SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

Chert (likely chalcedony-rich flint) (Microcrystalline quartz, SiO₂ (quartz/chalcedony)) — sedimentary

Chert (likely chalcedony-rich flint)

Microcrystalline quartz, SiO₂ (quartz/chalcedony)

Leopard Skin Jasper (Silicon Dioxide (SiO2) with various inclusions) — sedimentary

Leopard Skin Jasper

Silicon Dioxide (SiO2) with various inclusions

Banded Agate (Crazy Lace / Botswana Agate Beads) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Banded Agate (Crazy Lace / Botswana Agate Beads)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Agate (specifically Botswana or Lake Superior style Agate) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Agate (specifically Botswana or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Geode (Unopened) (Siliceous Geode (SiO2)) — sedimentary

Geode (Unopened)

Siliceous Geode (SiO2)

Tumbled red jasper (Microcrystalline quartz (SiO₂), commonly colored by iron oxides) — mineral

Tumbled red jasper

Microcrystalline quartz (SiO₂), commonly colored by iron oxides

Yellow Jasper (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Tumbled cream chalcedony or quartz (Microcrystalline quartz, SiO₂; possibly iron-stained chalcedony) — mineral

Tumbled cream chalcedony or quartz

Microcrystalline quartz, SiO₂; possibly iron-stained chalcedony

Moss Agate (Silicon Dioxide (SiO2) with Chlorite/Oxide inclusions) — mineral

Moss Agate

Silicon Dioxide (SiO2) with Chlorite/Oxide inclusions

Yellow jasper (likely iron-stained chalcedony) (Microcrystalline quartz, SiO₂, commonly colored by iron oxides/hydroxides) — mineral

Yellow jasper (likely iron-stained chalcedony)

Microcrystalline quartz, SiO₂, commonly colored by iron oxides/hydroxides

Tumbled yellow jasper or iron-stained chert (Microcrystalline quartz (SiO₂), likely colored by iron oxides) — mineral

Tumbled yellow jasper or iron-stained chert

Microcrystalline quartz (SiO₂), likely colored by iron oxides

Polished brown jasper (Jasper (microcrystalline quartz, SiO₂), likely iron-oxide-rich variety) — mineral

Polished brown jasper

Jasper (microcrystalline quartz, SiO₂), likely iron-oxide-rich variety

Carnelian (Carnelian (SiO2 with Iron Oxide impurities)) — mineral

Carnelian

Carnelian (SiO2 with Iron Oxide impurities)

Tumbled chalcedony or quartz pebble (Microcrystalline quartz (SiO₂), likely orange chalcedony/carnelian) — mineral

Tumbled chalcedony or quartz pebble

Microcrystalline quartz (SiO₂), likely orange chalcedony/carnelian

Red-and-white jasper/chalcedony pebble (Microcrystalline quartz (SiO₂), likely hematite- or iron-oxide-bearing jasper with white chalcedony/quartz) — mineral

Red-and-white jasper/chalcedony pebble

Microcrystalline quartz (SiO₂), likely hematite- or iron-oxide-bearing jasper with white chalcedony/quartz

Tumbled white chalcedony (likely milky quartz) (Chalcedony, microcrystalline quartz (SiO₂)) — mineral

Tumbled white chalcedony (likely milky quartz)

Chalcedony, microcrystalline quartz (SiO₂)

Jasper and Quartz Breccia (Silicified Breccia / Microcrystalline Quartz) — sedimentary

Jasper and Quartz Breccia

Silicified Breccia / Microcrystalline Quartz

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

Grape Agate

Chalcedony (Silicon Dioxide, SiO2)

Tumbled jasper (likely red/brown jasper) (Jasper, an opaque, microcrystalline variety of quartz (SiO₂), colored by iron oxides) — mineral

Tumbled jasper (likely red/brown jasper)

Jasper, an opaque, microcrystalline variety of quartz (SiO₂), colored by iron oxides

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

Red Jasper

Silicon Dioxide with Iron Oxide inclusions (SiO2)

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

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Banded Agate (Dyed) (Silicon Dioxide (SiO2) with impurities) — mineral

Banded Agate (Dyed)

Silicon Dioxide (SiO2) with impurities

Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

Tumbled dark pebble, likely iron-rich jasper or chert (Jasper/chert, predominantly microcrystalline quartz (SiO₂) with iron-oxide impurities) — sedimentary

Tumbled dark pebble, likely iron-rich jasper or chert

Jasper/chert, predominantly microcrystalline quartz (SiO₂) with iron-oxide impurities

Carnelian (Silicon Dioxide (Chalcedony variety), SiO2) — gemstone

Carnelian

Silicon Dioxide (Chalcedony variety), SiO2

Blue Chalcedony (Silicon Dioxide (SiO2)) — mineral

Blue Chalcedony

Silicon Dioxide (SiO2)

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

Jasper

Jasper (Silicon Dioxide, SiO2)

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

Agate

Silicon Dioxide (SiO2) - variety Chalcedony

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

Jasper (Red Chert)

Jasper (Silicon Dioxide, SiO2)