Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Category
Browse sedimentary (physico chemical) specimens identified by the Rock Identifier community.
Blue Howlite (Dyed)
Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)
Chert (Arrowhead Debitage or Spall)
Silicon Dioxide (SiO₂)
Chert (specifically Flint or Dark Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (variations include Flint/Chalcedony)
Chert (SiO2 - Silicon Dioxide)
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Chert (Tan/Buff variety)
Silicon Dioxide (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Pyrite (on host rock/ore)
Iron Sulfide (FeS2)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Green Calcite
Calcium Carbonate (CaCO3)
Chert (Yellow Jasper variant)
Microcrystalline quartz (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Chert (specifically Jasper/Flint)
Chert (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Chert (and Flint)
Silicon dioxide (SiO2) - Microcrystalline or Cryptocrystalline Quartz
Chert (Jasper/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (varietal: Flint/Jasper mix)
Hydrous Silica (SiO2)
Chert / Flint Nodules
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (Nodular)
Microcrystalline Silica (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Chert (Iron-stained)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Chert (Yellow Jasper/Agatized Chert)
Microcrystalline Quartz (SiO2)
Orange Calcite
Calcium Carbonate (CaCO3)
Graphite
Graphite (Native Carbon, C)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper)
Silicon Dioxide (SiO2)
Chert (Commonly called Jasper or Flint)
Chert (SiO2)
Limestone
Limestone (Calcium Carbonate, CaCO3)
Banded Chert
Silicon Dioxide (SiO2)
Chert (Nodule)
Silicon Dioxide (SiO2)
Quartz / Common Gravel
Silicon Dioxide (SiO2)
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
Clear quartz fragment
Quartz (silicon dioxide, SiO₂)
Limestone
Calcium Carbonate (CaCO3)