Granite
Granite
igneous
Category
Not A Rock Or Mineral
Browse not a rock or mineral specimens identified by the Rock Identifier community.
Learn about Not A Rock Or Mineral in the encyclopedia
View all →
Petrified Wood
Silicified Wood (SiO2)
fossil
Quartz Geode (Druzy Quartz)
Silicon Dioxide (SiO2)
mineral
Gold (Elemental Metal)
Gold (Au)
Mineral
Porphyry
Porphyritic Igneous Rock
igneous
Druzy Quartz Geode (with Chalcedony)
Silicon Dioxide (SiO2)
mineral
Jasper and Quartz Breccia
Silicified Breccia / Microcrystalline Quartz
sedimentary
Orbicular Gabbro
Orbicular Gabbro
igneous
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Banded Sedimentary Rock (Wishbone Stone / Banded Quartzite or Limestone)
Silicified limestone or banded sedimentary rock with mineral veins
sedimentary
Quartz-Veined Gneiss or Metamorphic Rock with Quartz Veins
Quartz-veined metamorphic rock (Silicate mineral assemblage)
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt (extrusive volcanic rock with mineral inclusions)
igneous
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Petrified Wood
Silicified Wood (SiO2)
sedimentary
The user-provided image does not contain a rock or mineral specimen
N/A
Popcorn
Zea mays everta (P. Wilson) (Botanical name for the corn variety)
Organic/Biogenic
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Carnelian (Red Chalcedony)
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
mineral
Jasper in Basalt Matrix
Silicon Dioxide (SiO2) with impurities; Chalcedony
sedimentary (secondary mineral) within igneous
Banded Iron Formation
Banded Iron Formation (BIF)
sedimentary
Note: Item is not a geological specimen
Homo sapiens (Dermal Appendage: Pilus)
Organic / Biological
Blue Chalcedony
Microcrystalline Quartz (SiO2)
mineral
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of iron oxide)
metamorphic
Basalt
Mafic volcanic rock (Primary minerals: Plagioclase feldspar, Pyroxene)
igneous
Chipped Glass/Plastic Fragment
Silicon dioxide (SiO2) for glass (amorphous) or various polymer compounds for plastic
Man-made material (simulant/artifact)
N/A (Non-Geological Object)
N/A
Serpentinite
Serpentinite (a rock composed predominantly of serpentine group minerals)
metamorphic
Peridotite Nodules in Basalt (Olivine Xenolith)
Mantle Peridotite / Olivine ((Mg, Fe)2SiO4) in Basalt
igneous
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
not a rock or mineral
Quartz-veined Basalt or Limestone Pebble
Quartz vein in host rock (Silicate mineral in carbonate or volcanic matrix)
sedimentary
Schist
Schist (metamorphic rock)
metamorphic
Granite
Phaneritic Felsic Igneous Rock (Main minerals: SiO2, KAlSi3O8, NaAlSi3O8)
igneous
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Goldstone (aventurine glass)
Synthetic copper-bearing soda-lime glass; commonly sold as red goldstone
gemstone
Sandstone
Sandstone (composed primarily of sand-sized minerals or rock grains)
sedimentary
Stichtite in Serpentinite (Atlantisite)
Mg6Cr2CO16(OH)16·4H2O in Mg3Si2O5(OH)4
metamorphic
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Synthetic/Consumer Product
Druzy Quartz on Quartz Base
Silicon Dioxide (SiO2)
mineral
N/A (This is a digital image of a bar graph)
Digital Data Visualization (Bar Chart)
This is not a rock or mineral
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Non-geological
Quartz Druzy (on Matrix)
Silicon Dioxide (SiO2)
mineral