Schist
Chlorite/Mica Schist
metamorphic
Category
Mineral Like Byproduct (Technogenic)
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
Amygdaloidal Basalt
Vesicular-Amygdaloidal Basalt (Mafic Extrusive)
igneous
Schist (Micaceous Schist)
Schist (comprising Muscovite/Biotite mica, Quartz, and Feldspar)
metamorphic
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxide
mineral
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Schist
Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)
metamorphic
Green Quartzite
Quartzite (primarily SiO2 with chlorite inclusions)
metamorphic
Pink Dyed Agate
Chalcedony (SiO2) with artificial dyes
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
mineral
Sandstone Concretion with Quartz Center
Sedimentary Clastic Rock (SiO2 matrix with Quartz core)
sedimentary
Diorite
Diorite (intermediate intrusive igneous rock)
igneous
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
mineral
Orthoclase Feldspar
Potassium Feldspar (KAlSi3O8)
mineral
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock with secondary mineral fillings)
igneous
Limonite
Limonite (Hydrated iron(III) oxide-hydroxide) FeO(OH)·nH2O
mineral
Sandstone
Arenicola (comprising mostly Quartz, SiO2)
sedimentary
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Mineral/Rock
Obsidian
Obsidian (Volcanic Glass, SiO2)
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (with secondary mineral infilling)
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Blue Lace Agate (Banded Chalcedony)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
mineral
Sandstone
Arenite (SiO2 with various cementing agents)
sedimentary
Native Sulfur
Sulfur (S)
mineral
Eudialyte in Matrix
Na15Ca6(Fe,Mn)3Zr3(Si,Nb) (Si25O73) (OH,Cl,H2O)3
mineral
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Mineral
Gossan (Iron Hat) with Quartz and Chlorite
Limonite/Goethite-rich Gossan (FeO(OH)·nH2O) with inclusions of Quartz and Chlorite
Mineral/Metamorphic Substrate
Red Garnet (Pyrope or Almandine)
Garnet Group (A3B2(SiO4)3)
mineral
Vesicular Basalt (Scoria)
Basalt (Extrusive Igneous Rock)
igneous
Sandstone
Arenite (composed primarily of SiO2)
sedimentary
Schist
Mica Schist
metamorphic
Ferruginous Quartz
Quartz (Silicon Dioxide) - SiO2 with Iron Oxide inclusions
mineral
Limonite (Hydrated Iron Oxide / Bog Iron)
FeO(OH)·nH2O
Mineral (Sedimentary context)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Okenite (in Zeolite matrix)
Okenite (CaSi2O5 · 2H2O)
mineral
Sparkling Druzy Quartz on Matrix
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Conglomerate (River Rock)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Mica (Muscovite)
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Fossilized Coral
Scleractinia (fossil order), primarily Calcium Carbonate (CaCO3)
sedimentary
Granite
Phaneritic Felsic Igneous Rock
igneous
Gneiss
Gneissic Metamorphic Rock
metamorphic
Blue Quartz with Dumortierite/Magnesio-riebeckite inclusions
Quartz (SiO2) containing Dumortierite (Al7(BO3)(SiO4)3O3)
igneous/metamorphic