Organic (Non Geological)

N/A (Non-Geological Object)

Orgonite Pyramid with Amethyst and Quartz

Silicon dioxide (Quartz/Amethyst) embedded in resin with metal shavings

Jasper

Microcrystalline Quartz (SiO2)

Mother of Pearl and Onyx

Aragonite (Mother of Pearl) and Chalcedony (Onyx)

Red Coral (Precious Coral)

Corallium rubrum (Calcium Carbonate, CaCO3)

Amber

Succinite (C10H16O)

Amber

Succinite (Formula: C10H16O)

Amber (Butterscotch/Egg Yolk Variety)

Succinite (Approx. C10H16O)

Blue polished cabochon, likely dyed agate or chalcedony

Chalcedony (microcrystalline quartz, SiO₂); exact material cannot be confirmed from the image

Quartzite

Metamorphic Quartzite

Small polished, multicolored stone; exact identification is not possible from the image

Undetermined; it may be a naturally patterned stone such as jasper, but the visible colors alone are insufficient for identification

Concretion or weathered iron-rich rock

Likely limonite/goethite-rich concretion; exact identification requires testing

Fossil shell fragment (likely brachiopod or bivalve)

Indeterminate fossilized carbonate shell; likely Brachiopoda or Bivalvia

Small dark pebble, likely basalt or iron-rich rock

Uncertain from image; possibly fine-grained basalt (mafic silicate rock)

Stainless Steel Spoon

Iron-Chromium Alloy (Fe + Cr + Ni)

Quartz-veined Limestone

Sedimentary limestone with quartz/calcite veinlets

Fossiliferous limestone (likely ammonite/gastropod-bearing)

Bioclastic limestone; predominantly calcite (CaCO₃)

Faceted purple-blue beads, likely synthetic glass or treated gemstone

Indeterminate; possible synthetic corundum, synthetic spinel, or dyed quartz (SiO₂)

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

Anthropogenic textile material

Amber (Cherry Amber)

Succinite (C10H16O)

Shale or Mudstone (Based on appearance)

Shale (fine-grained, laminated fissile sedimentary rock) / Mudstone (fine-grained, non-fissile sedimentary rock)

Tumbled brown banded agate beads

Agate, a banded variety of microcrystalline quartz (SiO₂)

Pearl-and-gemstone insect brooch

Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image

Smurf Rock (Fictional Interpretation)

Cyanus Anthropomorphicus (Geologic Simulation)

Green glassy mineral specimen, likely rough emerald or green fluorite

Tentatively beryl (Be₃Al₂Si₆O₁₈), emerald variety; synthetic/man-made glass cannot be excluded from the photograph

Olive Shell

Oliva sp. (Calcium Carbonate, CaCO3)

Cat's Eye Operculum

Turbo petholatus operculum

Conglomerate

Conglomerate

Orbicular granite (likely Rapakivi-type granite)

Granite, chiefly quartz, alkali feldspar, plagioclase, and biotite/hornblende

Petrified Wood

Silicified Wood (primarily Silicon Dioxide, SiO2)

Chert (Flint)

Silicon Dioxide (SiO2)

Amber

Succinite (Fossilized Resin C10H16O)

Petrified Wood

Silicified Wood (SiO2)

Quartz-rich rock, possibly milky quartz

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

Blue sapphire

Corundum (Al₂O₃), blue variety colored mainly by iron and titanium

Chert

Microcrystalline Quartz (SiO2)

Chert (Jasper variation)

Chert (Microcrystalline Silicon Dioxide, SiO2)

Coprolite

Fossilized feces

Engineered Quartz Stone

Agglomerated Quartz (SiO2 + Polymer Resin)

Polished septarian nodule

Septarian concretion, commonly calcite/aragonite with brown calcite or barite veins in a limestone–clay matrix

Quartzite

Quartzite (primarily SiO2)

Likely tumbled iron-stained quartz or chalcedony

Quartz/chalcedony (SiO₂), possibly limonite-coated