Halite
Halite (Sodium Chloride, NaCl)
Category
Browse this is not a rock or mineral specimens identified by the Rock Identifier community.
Halite
Halite (Sodium Chloride, NaCl)
Sandstone (with Iron Staining)
Clastic sedimentary rock (primarily SiO2)
Gneiss
Gneiss (High-grade metamorphic rock)
Garnet
Almandine (Fe3Al2(SiO4)3)
Sandstone (likely Arkosic)
Clastic Sedimentary Rock (Sandstone)
Sandstone Concretion
Clastic Sedimentary Concretion (primarily SiO2 with Fe2O3 cement)
Sandstone
Arenite (primarily SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock with secondary mineral fillings)
Sandstone
Arenite (composed primarily of SiO2)
Quartz (Milky or Druzy Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3) with Chromium traces
Sandstone
Clastic sedimentary rock (primarily SiO2)
Granite
Phaneritic Plutonic Felsic Rock
Basalt
Basalt (composition of plagioclase, pyroxene, and olivine)
Sandstone (Ferruginous)
Arenite (with iron oxide cement)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Quartz (Milky/Smoky variety on matrix)
Silicon Dioxide (SiO2)
Chrysocolla in Jasper (Chryso-Jasper)
Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O (Chrysocolla) + SiO2 (Jasper)
Basalt (Weathered/River worn)
Mafic Volcanic Rock (Primarily Plagioclase Feldspar and Pyroxene)
Granite
Phaneritic Plutonic Felsic Rock
Basalt
Extrusive mafic igneous rock
Auriferous Quartz (Gold-bearing Quartz)
Silicon Dioxide (SiO2) with Elemental Gold (Au)
Sandstone (Ferruginous)
Arenite (with Iron Oxides)
Red Sandstone
Arenite (primarily Quartz with Hematite cement)
Limonitic Sandstone (Stained Sandstone)
Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Red Sandstone
Arenite (Fe2O3 rich)
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
African Turquoise (Jasper)
Polychrome African Jasper (often marketed as 'African Turquoise' due to its color, but it is not true turquoise)
Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)
Quartz Crystal
Silicon Dioxide (SiO2)
Basalt
Extrusive mafic igneous rock
Granite / Quartz Vein Rock
Granitoid with Quartz (SiO2)
Quartz Vein with Iron Staining
Silicon Dioxide (SiO2) with limonite/hematite staining
Quartz (specifically Quartzite or Massive Quartz)
Silicon Dioxide (SiO2)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Serpentinite
Serpentinite (composed primarily of mineral group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4)
Quartzite with Garnet
Garnetiferous Quartzite (SiO2 + X3Y2(SiO4)3)
Chert / River Pebble
Silicon Dioxide (SiO2)
Sandstone (Quartzose)
Arenite (primarily SiO2)
Carnelian (Chalcedony)
Cryptocrystalline Quartz (SiO2) with Iron Oxide impurities