Hematite (beads)
Hematite (Fe₂O₃)
Category
Browse mineral (evaporite) specimens identified by the Rock Identifier community.
Hematite (beads)
Hematite (Fe₂O₃)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Beryllonite
Beryllonite (NaBePO4)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Rhodochrosite
Manganese carbonate (MnCO3)
Diorite
Diorite (an intrusive igneous rock)
Granite
Granite (a felsic intrusive igneous rock composed primarily of quartz, feldspar, and mica)
Druzy Quartz on Host Rock
Silicon Dioxide (SiO2)
Phantom Quartz (Chlorite Inclusion)
Silicon Dioxide (SiO2) with Chlorite (Mg,Fe,Al)6(Si,Al)4O10(OH)8
Amazonite
Amazonite (KAlSi3O8 - Microcline)
Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Granite (Fine-grained)
Phaneritic Felsic Igneous Rock
Pegmatitic Granite
Granite with Orthoclase Feldspar and Quartz (SiO2, KAlSi3O8)
Greenschist / Migmatite
Regional Metamorphic Complex (Facies: Greenschist to Amphibolite)
Sandstone (with potentially metamorphic or basaltic bands)
Arenite / Lithic Wacke
Laterite
Laterite (Ferricrete)
Black Opal
Amorphous Hydrated Silica (SiO2·nH2O)
Epidosite (Epidote-rich rock)
Epidosite (consisting primarily of Epidote: {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH))
Chert Conglomerate (or Breccia)
Sedimentary Clastic Rock (variety: Ferruginous Chert Breccia)
Granite Pebble
Granite (a plutonic igneous rock composed primarily of quartz, feldspar, and mica/amphibole)
Sodalite
Sodalite: Na8(Al6Si6O24)Cl2
Milky Quartz
Silicon Dioxide (SiO2)
Rhodonite
(Mn,Fe,Mg,Ca)SiO3
Red Sandstone
Arenite (Fe2O3 rich)
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
Banded Sandstone
Arenite (with iron oxide banding)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Quartz (Milky/Crystalline)
Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
Sandstone (Ferruginous)
Arenite (Siliclastic Sedimentary Rock)
Sandstone (likely Iron-rich or Arkosic)
Arenite (SiO2 with FeO(OH) or Fe2O3 staining)
Quartz (Milky or Iron-Stained)
Silicon Dioxide (SiO2)
Sandstone
Arenite (primarily SiO2)
Green Sandstone
Glauconitic Sandstone
Pink Marble or Rose Quartz (Likely Pink Marble based on carving texture)
Recrystallized Calcite (CaCO3)
Snowflake Obsidian
Volcanic Glass with Spherulitic Cristobalite (SiO2)
Sandstone (Quartz Arenite)
Sandstone (SiO2 with possible mineral cements)
Iron-Stained Quartz (Riverside Cobble)
Silicon Dioxide (SiO2) with Limonite/Hematite inclusions
Amazonite
K(AlSi3O8) - Microcline
Diamond Drill Core (Greenschist and Quartzite)
Chlorite Schist / Meta-quartzite (Metamorphic Rock Core Sample)
Green Apophyllite and Stilbite on Quartz Cluster
Apophyllite-(K) (KCa4(Si8O20)(F,OH)·8H2O), Stilbite-Ca (NaCa4(Si27Al9)O72·28H2O), Quartz (SiO2)
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Feldspar, and Mica)