Metamorphic Rock (For Both Nephrite And Jadeite)

Tumbled greenstone (likely serpentine or nephrite-like material)

Serpentinite, chiefly serpentine-group minerals; exact identification requires testing

Scoria

Scoriaceous Basalt

Polished greenstone (likely serpentine)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄

Peacock Ore

Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)

Tumbled cream-colored stone, likely quartzite or chert

Quartzite (SiO₂), or microcrystalline quartz/chert (SiO₂)

Quartz (Iron-stained or Rose variant)

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO₂)

Red gemstone ring, likely synthetic ruby or red spinel

Ruby: corundum (Al₂O₃); spinel: MgAl₂O₄; exact identity requires testing

Jasper-Agate

Silicon Dioxide (SiO2) - Microcrystalline Quartz

White Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

Quartz (Clear or Cloudy Quartz)

Silicon Dioxide (SiO2)

Quartz (Milky/Common)

Silicon Dioxide (SiO2)

Obsidian

Obsidian (Volcanic Glass), primarily SiO2 (Silicon Dioxide)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz (specifically Milky or Clear Quartz fragment)

Silicon Dioxide (SiO2)

Chert (Flint)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Schorl (Black Tourmaline) in Granite

NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Iron Oxide inclusions (Hematite/Goethite)

Tumbled serpentine

Serpentinite; chiefly antigorite, lizardite, and chrysotile, with possible magnetite and accessory minerals

Tumbled green aventurine/quartzite chips (probable)

Quartz, SiO₂, commonly with fuchsite or chlorite inclusions

Milky quartz-rich rock

Quartz (SiO₂), likely massive milky quartz with iron-oxide staining

Green Aventurine and Clear Quartz

Aventurine (variety of Quartz - SiO2) and Quartz (SiO2)

Green jade or aventurine bead bracelet

Most likely nephrite jade (aggregated amphibole, Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂) or green aventurine (quartz, SiO₂); exact identification requires testing

Pyrite

Pyrite (FeS2)

Polished dark gemstone, likely hematite or magnetite

Hematite (Fe₂O₃) or magnetite (Fe₃O₄); exact identification requires testing

Chert (Yellow Jasper/Flint)

Microcrystalline Quartz (SiO2)

Black Tourmaline

Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Tumbled green stone, likely serpentine

Serpentine-group minerals, chiefly antigorite/lizardite; approximate formula Mg₃Si₂O₅(OH)₄

Quartz-rich metamorphic pebble, possibly jade-like greenstone

Likely quartzite or altered basalt/greenstone; visible minerals may include quartz, feldspar, chlorite/epidote, and iron oxides

Quartz Pebble

Silicon Dioxide (SiO2)

Fossil Shell (Bivalve)

Class Bivalvia (Likely a member of the Ostreidae or Gryphaeidae family), CaCO3

Granodiorite

Granodiorite (Intermediate intrusive igneous rock)

Red faceted gemstone ring

Likely synthetic ruby or red spinel; exact identification requires testing

Obsidian

Obsidian (principally SiO2)

Quartz (Milky or Smoky variant)

Silicon Dioxide (SiO2)

Yellow Jade (Nephrite or Quartzite variety)

Ca2(Mg,Fe)5Si8O22(OH)2 (Nephrite) / SiO2 (Quartzite variant)

Quartz (River Pebble)

Quartz (Silicon Dioxide, SiO2)

Fossil tooth, likely shark tooth

Likely fossilized shark tooth (possibly a small lamniform shark; exact taxon cannot be confirmed from the image)

Quartz pebble

Silicon dioxide (SiO2)

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Polished green serpentine (likely bowenite)

Serpentine-group minerals, chiefly antigorite and/or lizardite; bowenite is a compact, nickel-bearing serpentine variety