Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Gneiss (Metamorphic Rock)
Gneiss (high-grade regional metamorphic rock)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Yellow Aventurine
Silicon Dioxide with inclusions (SiO2 + Muscovite/Fuchsite)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Bauxite
Bauxite (principal ore of aluminum, primarily Al(OH)3)
Granite
Granite (Phaneritic Quartz-Feldspar Igneous Rock)
Greenschist
Chlorite schist
Sandstone
Arenite
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
Greenstone with Quartz Veining
Epidiorite or Metabasalt with SiO2 (Quartz) veins
Malachite
Copper Carbonate Hydroxide (Cu2CO3(OH)2)
Pegmatite
Granitic Pegmatite
Granite
Phaneritic plutonic rock (primarily Quartz, Feldspar, and Mica)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Lemon (Mock specimen mimicking Citrine/Sulfur)
Citrus x limon
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
Dragon Blood Jasper (Lizard Stone/Septarian Chalcedony)
Epidote with Black Hornblende and White Quartz mixture
Coprolite
Fossilized feces (various taxa)
Greenstone
Protolith of basalt, diabase, or gabbro; often contains minerals like chlorite, actinolite, and epidote
Granite
Granite (High-silica plutonic rock)
Oyster Shell (Aragonite/Calcite)
Calcium Carbonate (CaCO3)
Granite
Granitoid
Limonite (Iron Ore/Bog Iron)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
Fossilized Shark Tooth
Scapanorhynchus (Sand Tiger Shark relative)
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Feldspar, and Mica)
River Jasper (Chert/Chalcedony mix)
Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions
Chrysocolla on Matrix
Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O
Greenschist
Greenschist
Sapphirine in Matrix
Sapphirine (Mg,Al)8(Al,Si)6O20
Granite
Granite
Metagabbro / Epidote Gneiss
Epidote bearing Hornblende Gneiss
Kimberlite
Kimberlite (Group I or II)
Lepidolite and Rubellite (Pink Tourmaline)
Lepidolite [K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2] and Rubellite [Na(Li,Al)3Al6(BO3)3Si6O18(OH)4]
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Bauxite
Bauxite (Mixture of Al(OH)3, AlO(OH), and Fe2O3)
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Limonite (Iron Ore)
Limonite (Hydrated iron(III) oxide-hydroxide, FeO(OH)·nH2O)
Granite
Granite (Felsic Plutonic Rock)
Schist
Mica Schist