Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
Mineral-based Sedimentary/Silica
Category
Sedimentary (Secondary Classification For A Weathered Mineral Specimen)
Browse sedimentary (secondary classification for a weathered mineral specimen) specimens identified by the Rock Identifier community.
Quartz pebble
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Agate variety)
Microcrystalline quartz (SiO2)
sedimentary
Amber (Rough Baltics/Beach Specimen)
Succinicum (Organic Gemstone - Fossilized Resin)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Limestone with Calcite Veining
Calcium Carbonate (CaCO3)
sedimentary
Turquoise and Hematite
Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)
mineral
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Chalcedony variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Basalt
Basalt (Mafic Extrusive Igneous Rock)
igneous
Diamond
Diamond (Pure Carbon - C)
mineral
Limonite (Ironstone Concretion)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
mineral
Diorite (with Iron Staining)
Phaneritic Intermediate Igneous Rock
igneous
Granite Glacial Erratic
Intrusive Phaneritic Felsic Rock (Granite)
igneous
Mica Schist
Mica Schist (Complex Silicate Rock)
metamorphic
Concretion with Quartz Veining
Septarian Concretion (CaCO3 / SiO2)
sedimentary
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (specifically Milky or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Weathered Quartzite or Chert Pebble
Silicon Dioxide (SiO2)
metamorphic or sedimentary
Quartz Pebble (with probable Iron staining)
Silicon Dioxide (SiO2)
mineral
Turquoise and Hematite
Turquoise: CuAl6(PO4)4(OH)8·4H2O; Hematite: Fe2O3
mineral
Quartz River Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Basalt with Iron Oxidation (Lattice/Veined)
Mafic Volcanic Rock (principally Plagioclase and Pyroxene)
igneous
Quartz (Common or Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Porous Quartzite
Metamorphosed Quartz-rich Sandstone (SiO2)
metamorphic
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Riverstone Quartzite (Water-worn Siltstone/Quartzite)
Metamorphosed Quartz-rich Arenite (SiO2)
metamorphic
Jasper (specifically Bloodstone/Heliotrope or Dark Green Jasper)
Cryptocrystalline Quartz (SiO2) with inclusions
sedimentary
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
sedimentary
Quartzite
Quartzite (mainly SiO2)
metamorphic
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Feldspathic Granite (likely Syenite or Granite Pegmatite)
Phaneritic Acidic Igneous Rock (KAlSi3O8 dominant with SiO2)
igneous
Chert (Flint Nobule)
Silicon Dioxide (SiO2)
sedimentary
Chert (Quartz Variety)
Microcrystalline Silica (SiO2)
sedimentary
Chrysoprase
Silicon Dioxide (Nickel-bearing Chalcedony) - SiO2
mineral