Jasper
Silicon Dioxide (SiO2) with impurities
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Jasper
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
Chert River Pebble
Microcrystalline Quartz (SiO2)
Granite (specifically Red Granite)
Phaneritic Plutonic Rock (High in Alkali Feldspar and Quartz)
Diorite
Intermediate Phaneritic Igneous Rock
Basalt
Aphanitic Mafic Igneous Rock
Obsidian
Volcanic glass
Yellow Jasper
Chalcedony (SiO2) with iron oxide inclusions
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Basalt
Basalt
Granodiorite
Granodiorite (Quartz-Feldspar-Biotite Plutonic Rock)
Ironstone Concretion (Moqui Marble Type)
Goethite/Hematite-cemented Sandstone Concretion
Magnetite / Hematite mix (Iron Ore)
Fe3O4 (Magnetite) / Fe2O3 (Hematite)
Schist
N/A (a rock type, not a mineral formula)
Hemimorphite
Hemimorphite (Zn4Si2O7(OH)2·H2O)
Pyrite Nodules / Weathered Pyrite
Iron Sulfide (FeS2)
Sulfur
Sulfur (S8)
Blue Kyanite in Schist
Al2SiO5 in Mica Schist
Fluorite
Calcium fluoride (CaF2)
Quartz
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Basalt
Mafic volcanic rock
Obsidian
Volcanic Glass (Amorphous Silicon Dioxide , SiO2)
Dalmatian Jasper
Aplite with Arfvedsonite inclusions
Green Jasper
Microcrystalline Quartz (SiO2)
Magnetite
Magnetite (Fe3O4)
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
Marble
Metamorphic carbonate rock (primarily recrystallized calcite, CaCO3)
Jasper
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2)
Chert (and Flint)
Silicon Dioxide (SiO2)
Mica-rich Pegmatite
Pegmatite (rich in Muscovite and Biotite)
Jasper
Silicon Dioxide (SiO2) with iron and magnesium inclusions
Green Aventurine
SiO2
Mica Schist
Mica Schist (KAl2(AlSi3O10)(OH)2 / K(Mg,Fe)3AlSi3O10(OH)2)
Granite Porphyry
Phaneritic-Porphyritic Igneous Rock
Magnetite (Lodestone)
Iron(II,III) oxide (Fe3O4)
Greenschist
Chlorite-actinolite schist
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Green variety)
Silicon Dioxide (SiO2)
Red Jasper
SiO2 (Silicon Dioxide with Iron Oxide inclusions)