Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Category
Browse mineral (specifically a variety of chalcedony, which is a microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Red/Brown Variety)
Microcrystalline quartz (SiO2)
Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Flint Nodular Variety)
Microcrystalline Quartz (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Quartz (Quartzite Pebble)
Silicon Dioxide (SiO2)
Banded Quartzite
Quartzite (primarily SiO2)
Milky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Snowflake Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with Cristobalite inclusions)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Chert (specifically Tan/Yellow Chert)
Silicon Dioxide (SiO2)
Chert (variously identified as Flint)
Microcrystalline Quartz (SiO2)
Chert (Iron-stained)
Microcrystalline Quartz (SiO2)
Chert (and/or Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Bicolor Quartz Pebble
Silicon Dioxide (SiO2) with mineral inclusions
Granite
Phaneritic Felsic Igneous Rock
Black Onyx
Cryptocrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO₂)
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese or Iron Oxide inclusions
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Fluorite
Fluorite (CaF₂)
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
Quartzite
Quartzite (primarily SiO2)
Chert (often called Flint or Jasper)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Chert (White Chert / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Tan/Yellow variety)
Microcrystalline quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Common Variety, Jasper)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)