Sulfur on Aragonite
Sulfur (S) on Aragonite (CaCO3)
Category
Browse mineral like byproduct specimens identified by the Rock Identifier community.
Sulfur on Aragonite
Sulfur (S) on Aragonite (CaCO3)
Kidney Stone
Nephrolith (typically Calcium Oxalate - CaC2O4)
Muscovite
Muscovite, KAl2(AlSi3O10)(OH)2
Rutilated Quartz (with Garnet pendant)
Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions
Muscovite Mica
KAl2(AlSi3O10)(OH)2
Amygdaloidal Basalt
Basalt with secondary amygdule minerals (likely Epidote or Chlorite)
Obsidian
Volcanic Glass (Amorphous SiO2)
Rutilated Quartz (likely Citrine or Smoky Quartz with Rutile inclusions)
SiO2 with TiO2 inclusions (Quartz with Rutile)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
Gneiss
Gneiss (high-grade metamorphic rock typically composed of quartz, feldspar, and mica)
Quartzite with Epidote Vein
Metamorphosed Quartz Sandstone with Hydrothermal Vein
Dendritic Quartz Pebble
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
Amygdaloidal Basalt
Basalt with Secondary Mineral Infillings
Amber
Succinite (Fossilized Resin)
Iron-Stained Quartz Pebble
Quartz (Silicon Dioxide, SiO2) with Iron Oxide Inclusion/Staining
Limonite Concretion (Ironstone)
Limonite / Goethite (FeO(OH)·nH2O)
Prehnite
Prehnite (Ca2Al2Si3O10(OH)2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Yellow Apatite
Fluorapatite (Ca5(PO4)3(F,Cl,OH))
Obsidian
Volcanic Glass (70% or more SiO2)
Quartz (Clear Quartz)
Silicon Dioxide (SiO2)
Obsidian
Obsidian (Amorphous volcanic glass, predominantly SiO2)
Dendritic Agate
Silicon Dioxide (SiO2) with Manganese/Iron Oxide inclusions
Blue Apatite
Fluorapatite / Ca5(PO4)3F
Schist
Schist (variety likely Mica Schist)
Conglomerate
Conglomerate (Clastic sedimentary rock)
Picture Jasper
Tectonically broken chalcedony (SiO2)
Amygdaloidal Basalt
Amygdaloidal Mafic Volcanic Rock (Basalt)
Granite Gneiss
Felsic Gneiss
Conglomerate
Conglomerate (SiO2 matrix with various silicate clasts)
Garnet Schist
Garnetiferous Mica Schist
Conglomerate
Clastic sedimentary rock (Conglomerate)
Quartz Vein on Matrix
Silicon Dioxide (SiO2)
Sandstone
Sedimentary Rock (Quartz arenite)
Eclogite
Eclogite (Omphacite + Pyrope)
Quartz Vein in Greenstone
Metamorphic rock with quartz vein (SiO2 / mixed silicates)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
Mixed Tumbled Rocks and Minerals Collection
Mixed Minerals and Rocks (Quartz, Feldspar, Jasper, Agate, Lapis Lazuli, Sodalite, Rose Quartz, Fluorite, etc.)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)