Quartzite
Quartzite (primarily SiO2)
Category
Browse not a rock (animated character) specimens identified by the Rock Identifier community.
Quartzite
Quartzite (primarily SiO2)
Quartzite River Rock
Quartzite (primarily SiO2)
Dragon Stone
Ohko Stone (Argillaceous sedimentary rock)
Hardened Gray Mudstone
Argillite / Silicified Mudstone (principally SiO2 and Al2Si2O5(OH)4)
Pink Quartzite
Quartzite (primarily SiO2)
Pink Quartzite
Quartzite (primarily SiO2)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Gneiss
Gneiss (High-grade metamorphic rock)
Quartzite
Quartzite (primarily SiO2)
Quartzite (Iron-stained)
Quartzite (mostly SiO2 with Fe2O3 impurities)
Banded Agate (Onyx type)
Silicon dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Fluorite
Calcium Fluoride (CaF2)
Chert (specifically Flint or Gray Chalcedony)
Microcrystalline Quartz (SiO2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Chalcedony with Matrix
Silicon Dioxide (SiO2)
Pyrite
Iron Sulfide (FeS2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within a metamorphic matrix
Vesicular Basalt
Basalt (extrusive volcanic rock)
Unakite
Epidotized Granite
Vesicular Basalt
Basalt (Mafic volcanic rock)
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Chalcedony (Moonstone variant or White Agate)
Silicon Dioxide (SiO₂)
Blue Lace Agate
Chalcedony (Silicon Dioxide, SiO2)
Greenstone (possibly Basalt or Greenschist)
Greenschist (composed primarily of chlorite, actinolite, and epidote)
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Gneiss
Gneiss
Fluorite
Calcium Fluoride (CaF2)
Pyrite
Iron Sulfide (FeS2)
Picture Jasper
SiO2
Yellow Aventurine
Silica (SiO2) with inclusions
Diorite (Dalmatian Stone variant)
Phaneritic Plutonic Igneous Rock (Medium to Fine-grained Diorite)
Amethyst
Amethyst (variety of Quartz, SiO2)
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Amazonite
Amazonite (Microcline Feldspar) K(AlSi3O8)
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
Milky Quartz
Silicon Dioxide (SiO2)
Bumblebee Jasper
Carbonate-rich volcanic rock containing Sulfur and Arsenic (Realgar/Orpiment)
Amethyst (Quartz)
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium)