Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary (Chemically Precipitated) Or Metamorphic
Browse sedimentary (chemically precipitated) or metamorphic specimens identified by the Rock Identifier community.
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Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Green Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Tumbled Hematite
Iron(III) oxide (Fe2O3)
mineral
White Quartz (Carved Star)
Silicon Dioxide (SiO2)
mineral
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Carnelian Agate
Silicon dioxide (SiO2) with iron oxide impurities
mineral
Druzy Quartz Geode (with Chalcedony)
Silicon Dioxide (SiO2)
mineral
Banded Agate
Cryptocrystalline variety of Quartz (SiO2)
sedimentary
Carnelian
Carnelian (SiO2 variant)
mineral
Chalcedony (Common Opal variant or Chert/Flint)
Silicon Dioxide (SiO2)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Celestite
Celestine (Strontium Sulfate, SrSO4)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Blue calcite (probable)
Calcite, calcium carbonate (CaCO₃)
mineral
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper
Microcrystalline Quartz (SiO2)
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Quartzite Pebble
Metamorphic Quartzite
metamorphic
Quartz Geode with Calcite/Siderite
Crystalline Silicon Dioxide (SiO2) with Carbonate inclusions
mineral
Chert (Jasper/Brown Chert)
Silicon Dioxide (SiO2)
sedimentary
Quartz
Quartz (SiO₂ - Silicon Dioxide)
Mineral
Chert (with Iron Staining)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/River Pebble)
Silicon Dioxide (SiO2)
sedimentary
Chert (vuggy variety)
Microcrystalline silica (SiO2)
sedimentary
Chert (specifically Chert Nodule/Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Chert / Flint (with Iron Staining)
Silicon Dioxide (SiO2)
sedimentary
Chert (River Stone/Pebble)
Chert (SiO2)
sedimentary
Jasper (River pebble)
Jasper / Silicon Dioxide (SiO2)
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Chert (with Quartz veins)
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Flint
Sedimentary cryptocrystalline quartz (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic