Chrysocolla and Azurite in Matrix
Hydrated copper phyllosilicate (Chrysocolla - Cu2H2Si2O5(OH)4) and Copper carbonate (Azurite - Cu3(CO3)2(OH)2)
mineral
Category
Mineral_rock
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Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
mineral
Greenstone
Metabasalt / Greenschist
metamorphic
Halite
Halite (NaCl)
mineral
Granite with Hematite staining
Granitoid (Quartz, Feldspar, Mica) with Iron Oxide (Fe2O3)
igneous
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Bauxite
Bauxite (Al2O3·nH2O)
sedimentary
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
mineral
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
mineral
Lapis Lazuli
Lapis Lazuli (A metamorphic rock primarily composed of Lazurite: (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)
metamorphic
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Quartz with Mica
Silicon Dioxide (SiO2) with Mica group inclusions
mineral
Iron Ore (Magnetite-Hematite)
Magnetite (Fe3O4) and Hematite (Fe2O3)
mineral
Sandstone (with Iron Staining)
Arenite (primarily SiO2 with Fe2O3/FeO(OH) oxides)
sedimentary
Limonite
FeO(OH)·n(H2O)
mineral
Limonite/Ironstone
Limonite (FeO(OH)·nH2O)
mineral
Greenstone
Metabasalt / Chlorite Schist
metamorphic
Fossil Shark Tooth
Odontaspididae (Sand Tiger Shark family)
fossil
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Sandstone (likely Arkose or Lithic)
Clastic sedimentary rock (SiO2 + impurities)
sedimentary
Sandstone Pebble
Arenite (Sandstone)
sedimentary
Purpurite
Manganese Iron Phosphate, Mn3+(PO4)
mineral
Amygdaloidal Basalt
Extrusive mafic igneous rock with amygdules
igneous
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
mineral
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
sedimentary
Sandstone (Banded)
Clastic sedimentary rock (primarily SiO2)
sedimentary
Granite with Mafic Xenolith
Intrusive Igneous Rock (Felsic to Intermediate)
igneous
Banded Gneiss
Gneiss (high-grade metamorphic silicate rock)
metamorphic
Ironstone Concretion (Moqui Marble / Boji Stone)
Sedimentary Iron Oxide Concretion (Fe2O3 / FeO(OH))
sedimentary
Red Sandstone (with possible iron oxide staining)
Sandstone (primarily Quartz with Hematite/Goethite cement)
sedimentary
Banded gneiss (likely amphibolite-bearing gneiss)
Gneiss; quartz–feldspar–mica/amphibole aggregate
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Limonite (Iron Ore)
FeO(OH)·nH2O
mineral
Limonite Concretion (Ironstone)
Limonite (Hydrated Iron(III) Oxide-Hydroxide, FeO(OH)·nH2O)
sedimentary
Granite
Intrusive Igneous Rock
igneous
Pyrite (Fool's Gold) in Matrix
Iron Disulfide (FeS2)
mineral
Septarian Nodule
Septarian Concretion (Calcium Carbonate/Aragonite/Calcite)
sedimentary
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Sulfur on Quartz
Native Sulfur (S8) with Quartz (SiO2)
mineral