Yellow Jasper
Microcrystalline Quartz with Iron Oxide (SiO2)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Yellow Jasper
Microcrystalline Quartz with Iron Oxide (SiO2)
Black Opal
Amorphous Hydrated Silica (SiO2·nH2O)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Glauconitic Sandstone (Greensand pebble)
Glauconitic Quartz Sandstone (K(Fe,Al)2(Si,Al)4O10(OH)2)
Unakite
Altered Granite (composed of orthoclase feldspar, green epidote, and quartz)
Diorite
Diorite (Plagioclase-rich phaneritic intrusive)
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
Porphyry
Porphyritic Igneous Rock
Chert (Flint)
Silicon Dioxide (SiO2)
Amazonite
Microcline (KAlSi3O8) with trace lead
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Turquoise with Pyrite
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)
Sodalite beads
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂, likely with minor lazurite/pyrite or calcite inclusions
Amethyst
Quartz variety; SiO2 (Silicon Dioxide)
Granodiorite
Granodiorite (Intermediate plutonic rock)
Quartz (Rock Crystal) with minor impurities
Quartz (SiO2)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Flint (Chert)
Silicon Dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Greenstone
Metabasalt / Greenstone (low-grade metamorphic rock)
Fluorite and Mineral Collection
Calcium Fluoride (CaF2)
Banded Chert (Flint/Jasper variety)
Microcrystalline Quartz (SiO2)
Moonstone
Adularia (orthoclase feldspar variety)
Native Sulfur
Sulfur (S)
Granite
Granite (felsic intrusive igneous rock)
Agate (specifically Lace Agate or Banded Agate)
Silicon Dioxide (SiO2)
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Red Claystone / Mudstone
Argillaceous sedimentary rock
Polished brecciated jasper
Jasper, opaque microcrystalline quartz (SiO₂), likely brecciated jasper with iron-oxide and dark silicate inclusions
Leopard Skin Jasper
Silicon Dioxide (SiO2) with various inclusions
Chert (Flint)
Microcrystalline Quartz (SiO2)
Agate
Silicon dioxide (Chalcedony), SiO2
Petrified Wood
Silicified Wood (SiO2)
Red Jasper (Chert)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Pyrite
Pyrite (FeS2)
Magnetite Ore
Magnetite (Fe3O4)
Pegmatite (with Quartz and Feldspar)
Granitic Pegmatite
Banded Metamorphic Rock (likely Quartzite or Serpentinite/Soapstone)
Metamorphic Rock (possibly a banded Quartzite or a foliated Serpentinite/Talc Schist based on appearance, general term for such a rock is 'Banded Metamorphic Rock' or 'Gneiss' if pronounced banding of different minerals)