N/A
Category
This Image Does Not Display A Rock, Mineral, Or Geological Specimen. It Shows A Human Hand Wearing A Ring.
Browse this image does not display a rock, mineral, or geological specimen. it shows a human hand wearing a ring. specimens identified by the Rock Identifier community.
Not a rock, mineral, or geological specimen
Gold (Elemental Metal)
Gold (Au)
Note: No specimen visible
Unable to identify - Image contains non-geological items
Note: Item is not a geological specimen
Homo sapiens (Dermal Appendage: Pilus)
N/A - Image does not contain a rock or mineral
Anthropogenic textile material
Note: Item is not a geological specimen
n/a
N/A - Non-Geological Item
N/A (Non-Geological Object)
The user-provided image does not contain a rock or mineral specimen
Not a geological specimen
N/A (man-made object)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
N/A (The provided image is a storyboard/digital document)
Unidentifiable Specimen
Undetermined
Carnelian
Carnelian (Silicon Dioxide - SiO2)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Fluorite (likely Green Fluorite variant)
Calcium Fluoride (CaF2)
Wishing Stone
Greenschist or Basalt with Quartz/Calcite Vein
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
N/A (Non-Geological Specimen)
Sandstone
Clastic Sedimentary Rock (composed mostly of quartz and/or feldspar)
Dark Igneous Rock (Likely Basalt or Diabase)
Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.
Granite (Thin Section)
Granite (Felsic Plutonic Rock)
Note on Image Identification: Textile
N/A (Anthropogenic material)
Gneiss
Metamorphic rock of high-grade regional metamorphism
Chert / Flint
Chert (varieties include Flint)
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Quartz Vein in Sedimentary Matrix
Silicon Dioxide (SiO2) with host rock
Chert Breccia (Yellow Jasper)
Silicon Dioxide (SiO2) - Brecciated Chert
Granitic Pegmatite
Granite Pegmatite (coarse-grained intrusive igneous rock)
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
Granite (weathered/river-tumbled)
Granite (Plutonic Igneous Rock)
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Note regarding image quality
Agate
Chalcedony (cryptocrystalline variety of Quartz, SiO2)
Gneiss
Gneiss (High-grade regional metamorphic rock)
Note regarding baguette production (not a rock)
Digital text image - Somali language
Metallic Ornament / Jewelry
N/A - This is an artificial object, not a geological specimen.
Pebble (likely Sandstone or Granitic Pebble)
Clastic Sediment (or specific rock type, e.g., Arenite, Granitoid Pebble)
Petrified Wood (Silicified Wood)
Silicified Wood / Silicon Dioxide (SiO2)