Amygdaloidal Basalt
Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Amygdaloidal Basalt
Basalt with secondary mineral infilling (commonly Zeolite, Calcite, or Quartz)
Fluorite
Calcium Fluoride (CaF2)
Rose Quartz
SiO2 (Silicon Dioxide)
Quartz
SiO₂ (Silicon Dioxide)
Green Fluorite
Calcium Fluoride (CaF2)
Fluorite (Purple variety)
Calcium Fluoride (CaF2)
Sandstone (River Cobble)
Clastic sedimentary rock (primarily SiO2 with various lithic fragments)
Quartz (likely tumbled or naturally water-worn)
Quartz (SiO₂ - Silicon Dioxide)
Quartz Pebble (Chert/Chalcedony)
Silicon Dioxide (SiO2)
Granodiorite
Granodiorite
Soapstone
Steatite (composed primarily of Talc: Mg3Si4O10(OH)2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Quartzite
Quartzite (primarily SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
Cobaltian Calcite (Cobaltoan Calcite)
Cobalt-bearing Calcite (Ca,Co)CO3
Green Fluorite (Beaded)
Fluorite (Calcium Fluoride, CaF2)
Orange Calcite
Calcium Carbonate (CaCO3)
Schist
Schist (various mineralogical compositions including mica, chlorite, talc, etc.)
Red Jasper
Red Jasper (variety of Chalcedony, SiO₂)
Vesicular Basalt
Vesicular Basalt (Aphanitic Mafic Igneous Rock)
Sandstone (likely Fossiliferous)
Arenite / Sedimentum arenaceum
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Sandstone (Ferruginous)
Arenite (primarily SiO2 with Fe2O3 staining)
Botryoidal Chalcedony
Chalcedony (SiO2)
Sandstone
Arenite (SiO2, often with CaCO3 or Fe2O3 cement)
Fluorite
Calcium Fluoride (CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Quartz
Silicon Dioxide (SiO2)
Green Fluorite
Calcium Fluoride (CaF2)
Amber
Succinite (with a generalized formula of C10H16O)
Quartz (Common Milky Quartz)
Silicon Dioxide (SiO2)
Zebra Jasper
Jasper (variety of Quartz/Chalcedony), SiO2
Limonitic Iron Ore / Goethite
Hydrated Iron(III) oxide-hydroxide (primarily FeO(OH)·nH2O)
Green Calcite
Calcite (CaCO3)
Quartz Pebble (Water-worn)
Silicon Dioxide (SiO2)
Greenstone
Metabasalt / Greenschist facies rock
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Fluorite Octahedron
Fluorite (Calcium Fluoride, CaF2)