Not A Rock

Lapis Lazuli

Lazurite-rich metamorphic rock (approx. (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Lapis Lazuli

Na8(Al6Si6O24)S2 (Lazurite is the primary constituent mineral)

Amber

Succinite (Fossilized Tree Resin)

N/A - Image does not contain a rock or mineral

Anthropogenic textile material

Note regarding baguette production (not a rock)

Digital text image - Somali language

Lapis Lazuli

Lazurite-dominant rock, (Na,Ca)8(AlSiO4)6(SO4,S,Cl)2

Lapis Lazuli

Lapis Lazuli (Mineral composition: Lazurite (Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2, Calcite, and Pyrite)

Note: Item is not a geological specimen

Homo sapiens (Dermal Appendage: Pilus)

Lapis Lazuli

Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2)

Dalmatian Stone

Peralkaline Quartz-Feldspar Rock with Arfvedsonite

Note: Item is not a geological specimen

n/a

Lapis Lazuli

Complex mixture of minerals, primarily Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2

Anthracite Coal

Anthracite (a variety of coal, predominantly carbon)

Note on Image Identification: Textile

N/A (Anthropogenic material)

Ruby in Fuchsite

Corundum (Al2O3) in Fuchsite (K(Al,Cr)3Si3O10(OH)2)

Popcorn

Zea mays everta (P. Wilson) (Botanical name for the corn variety)

River Rock

Sedimentary Rock (various compositions)

Biological Bone (Patella/Knee)

Patella (part of the Human Skeletal System)

Unknown Organic Object (likely a berry or fruit)

Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.

Not a rock, mineral, or geological specimen

Metal Alloy (Likely Pewter or Sterling Silver)

Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).

Serpentine

Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)

Digital Multimeter (Synthetic Object)

Digital Multimeter (DMM)

Portable Ceramic Space Heater

Polished Acrylonitrile Butadiene Styrene (ABS) Plastic with Ceramic Heating Elements

Abbey Bominable (Monster High character)

Anthropomorphic Yeti / Digital Animation

Quartz (Druzy) in host rock

SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)

N/A - Non-Geological Item

Granite

Granite (a felsic intrusive igneous rock)

Schist

N/A (a rock type, not a mineral formula)

Serpentinite

Serpentinite (a rock composed predominantly of serpentine group minerals)

Anthropogenic Heat Source (Electronic/Industrial Interface)

Thermal IR emission (Electronic infrastructure)

Bauxite Ore

Hydrated aluminum oxides (e.g., Gibbsite Al(OH)3, Boehmite ̲̲̲̲AlOOH, Diaspore ̲̲̲̲AlOOH)

Pumice

Pumice (volcanic rock)

Grass (Organic Matter/Soil)

Poaceae (family of monocotyledonous flowering plants)

Gneiss

Gneiss (a rock type, not a specific mineral with a formula)

Pebble

Clast (specifically a granule or small pebble)

Man-made Synthetic Material (Not a rock or mineral)

Polyester (Polyethylene terephthalate) / Faux Fur

Granite

Granite (a common rock name, not a single mineral species, composed primarily of quartz, feldspar, and mica/amphibole)

Epidote (or Epidote-rich rock)

Epidote. Mineral formula: Ca2(Al,Fe)3(SiO4)3(OH).

Baltic Amber (Butterscotch or Egg Yolk Variety)

Succinite (chemical formula: C10H16O)

Mother of Pearl (Nacre)

Calcium Carbonate (primarily aragonite, with conchiolin)

Nephrite Jade

Nephrite