Non Geological

Note: Item is not a geological specimen

Homo sapiens (Dermal Appendage: Pilus)

Man-made Jewelry (Metal and Glass/Plastic)

Synthetic Alloy and Amorphous Solid (SiO2/Polymer)

Painted River Rock

Polished fluvial clast with acrylic/synthetic pigment coating

Note on Image Identification: Textile

N/A (Anthropogenic material)

Barite (Desert Diamond)

Barite (Barium Sulfate, BaSO4)

Unidentified gray rock fragment

Indeterminate from image; possibly quartz- or feldspar-rich silicate material

One Pound Coin (UK)

Nickel-Brass Alloy (Cu-Zn-Ni)

Unidentified metallic mineral or metal-like specimen

Indeterminate from image; possibly galena (PbS) or a metallic sulfide

Borosilicate Glass (Manufactured)

SiO2 + B2O3 (Silicon dioxide and Boron trioxide)

Man-made Ceramic / Clay Figurine

Aluminosilicate Ceramic (Processed Clay)

Note: This is a Man-Made Object (Costume/Prop Patch)

Synthetic fiber and pigments (Cellulose/Plastic-based composite)

Red/pink tumbled mineral fragment

Indeterminate; possibly dyed quartz, ruby/corundum, or red glass-like chalcedony

N/A - Image is non-geological

Acrylonitrile Butadiene Styrene (ABS) or Polypropylene (PP)

Build-A-Bear Plush (Non-Geological)

Polyester fibers (C10H8O4)n and Synthetic Polymers

Quartz pebble or seed/crumb

SiO2 (if quartz)

Small weathered mineral/rock fragment

Indeterminate; possibly quartz-bearing feldspathic rock or calcite-rich specimen

Everest

Canis lupus familiaris (Siberian Husky)

Quartz Geode with Calcite

Silicon Dioxide (SiO2) and Calcium Carbonate (CaCO3)

Quartz-rich rock, possibly milky quartz

Quartz (SiO₂); exact specimen identification is uncertain from the photograph

Weathered dark mineral/rock fragment

Indeterminate; possibly iron-rich basalt, slag, or a sulfide-bearing mineral

N/A - Non-Geological Item

Likely small metallic meteorite fragments

Unclassified iron or stony-iron meteorite; mineralogy cannot be confirmed from the image

Quartz Geode / Druzy Quartz

Silicon Dioxide (SiO2)

Possible fossil tooth or bone fragment

Indeterminate fossilized vertebrate material; species cannot be identified reliably from this image

Weathered mica-rich schist

Muscovite/biotite schist, likely quartz-bearing

Unknown white fragment

Unknown

Rounded brown river pebble

Indeterminate lithic fragment; possibly weathered sandstone, mudstone, or basalt

Black glassy volcanic rock, likely scoria or obsidian

Vesicular basaltic scoria (probable); possibly dark obsidian

Shale (with Iron Staining)

Argillaceous mudstone / Shale

River Stone (Chert/Basalt mix)

Microcrystalline Quartz (Chert) / Basalt

Quartzite River Cobble

Quartzite (SiO2)

Grass (Organic Matter/Soil)

Poaceae (family of monocotyledonous flowering plants)

Synthetic Costume Accessory (Non-Geological)

Polyester and Acrylic Fiber (Anthropogenic polymer)

Pyrite (Fool's Gold)

Iron Sulfide (FeS2)

Beaded bracelet with likely quartz or glass beads

Uncertain; the pale beads may be quartz (SiO₂), but the image does not show diagnostic features

Greenstone / Glauconitic Siltstone

Metabasalt or Glauconite-rich Sedimentary Rock

Tiny amber-colored crystal or mineral fragment

Indeterminate from image; possibly quartz, citrine, topaz, or iron-stained feldspar

Stainless Steel Spoon

Iron-Chromium Alloy (Fe + Cr + Ni)

Anthracite

Anthracite Coal

Slag (Industrial Byproduct)

Ferrous/Non-ferrous Silicate

Tumbled pale green aventurine or common green quartzite

Quartz, SiO₂, likely with fuchsite or chlorite inclusions

Gold nugget or gold-bearing fragment

Native gold (Au), possibly gold-colored metal or coated material