Sodalite
Na8(Al6Si6O24)Cl2
mineral
Category
Mineral (Extraterrestrial)
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Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Basalt
Mafic Igneous Rock
igneous
Native Sulfur
Sulfur (S8)
mineral
Red Sandstone
Arenite (with Iron Oxide / Hematite cementation)
sedimentary
Greenstone / Diabase Porphyry
Porphyritic Diabase (Micro-gabbro)
Igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Milky Quartz (Water-Worn Pebble)
Silicon Dioxide (SiO2)
mineral
Chalcedony or Chert/Jasper with secondary mineral staining
SiO2 (for chalcedony/quartz) with possible secondary copper minerals (e.g., CuSiO3·nH2O for chrysocolla, Cu2(CO3)(OH)2 for malachite) or iron oxides/hydroxides.
Mineral, potentially a rock with chalcedony/jasper.
Quartz Druze (Crystalline Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz
SiO2 (Silicon Dioxide)
mineral
Ferruginous Quartz (River Pebble)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Greenstone
Greenschist-facies basaltic rock
metamorphic
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
metamorphic
Granite
Granite (silica-rich intrusive igneous rock)
igneous
Milky Quartz with Iron Staining and Matrix
Silicon Dioxide (SiO2)
mineral
Red Sandstone
Arenite (Iron-rich)
sedimentary
Amygdaloidal Basalt
Amygdaloidal Basalt
igneous
Eudialyte with Syenite
Eudialyte: Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
igneous
Mica Schist
Mica Schist (primarily composed of Muscovite/Biotite)
metamorphic
Granite (Pegmatitic)
Phaneritic Felsic Igneous Rock
igneous
Mica Schist
Mica Schist (predominantly Muscovite or Biotite)
metamorphic
Basalt
Basalt (composition of plagioclase feldspar and pyroxene)
igneous
Basalt
Mafic Extrusive Igneous Rock
Igneous
Granite
Phaneritic Igneous Rock (primarily Quartz, Feldspar, and Mica)
igneous
Fossilized Sand Tiger Shark Tooth
Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)
sedimentary (fossil)
Vuggy Quartz on Matrix
Crystalline Silicon Dioxide (SiO2)
mineral
Rutilated Quartz
Silicon Dioxide with Titanium Dioxide (SiO2 with TiO2 inclusions)
mineral
Granitic Pegmatite with Tourmaline/Chlorite
Pegmatite
Igneous
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Vesicular Basalt (or Scoria)
Vesicular Basalt (Aphanitic-vesicular volcanic rock)
igneous
Shale (with minor calcite veining)
Clastic sedimentary rock (primarily clay minerals and quartz)
sedimentary
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone
Arenite (SiO2 primarily)
sedimentary
Agate
Silicon Dioxide (SiO2)
mineral
Green Quartz (Prasiolite/Adventurine)
Silicon Dioxide with inclusions (SiO2)
mineral
Sandstone (with secondary weathering/concretion)
Arenite (composed primarily of Quartz, SiO2)
sedimentary
Sandstone (with Siltstone/Greywacke variations)
Sedimentary Rock (Clastic)
sedimentary
Quartz Geode
Crystalline Silicon Dioxide (SiO2)
mineral