Unknown

Greenstone pebble, likely serpentine or epidote-bearing rock

Probable serpentinite (serpentine-group minerals: Mg₃Si₂O₅(OH)₄), possibly epidote-rich metamorphic rock

Polished bumblebee jasper

Calcite–orpiment/realgar-rich silicified volcanic rock (commercially called bumblebee jasper)

Serpentine-bearing metamorphic rock (likely chromite/vesuvianite-bearing serpentinite)

Serpentinite, chiefly serpentine-group minerals [(Mg,Fe)₃Si₂O₅(OH)₄], with dark accessory minerals

Small polished amber or brown gemstone

Indeterminate from image; possibly amber (fossilized plant resin) or brown chalcedony/quartz

Unknown dark mineral fragment

Indeterminate; possibly a dark silicate mineral or slag-like geological fragment

Serpentinized ultramafic rock (likely serpentinite)

Serpentinite; chiefly antigorite/lizardite/chrysotile, commonly after peridotite (olivine–pyroxene)

Serpentinite (serpentinized ultramafic rock)

Serpentine-group minerals, chiefly lizardite and antigorite; commonly derived from peridotite

Biotite granite (likely weathered granite)

Granite; quartz + feldspar + biotite, with accessory dark minerals

Tumbled serpentine or soapstone pebble

Serpentine-group minerals, chiefly antigorite/lizardite; possibly talc-rich steatite

Unknown brown-and-gold rock fragment

Undetermined; possibly iron-stained quartz, mica schist, or sulfide-bearing ore

Tumbled green stone, likely serpentine

Serpentine-group minerals, commonly antigorite or chrysotile; approximate composition Mg₃Si₂O₅(OH)₄

Polished brown agate/chalcedony nodule

Microcrystalline quartz (SiO₂), likely brecciated or weathered agate with possible carbonate/iron-oxide inclusions

Weathered fossil fragment, possibly bone

Indeterminate fossilized bone; likely mineralized vertebrate bone (apatite-rich)

Metal Chain (Likely Steel or a Steel Alloy)

Steel (primarily iron and carbon); specific alloy unknown

Chalk or soft limestone fragment

Calcite-rich limestone; primarily calcium carbonate (CaCO₃)

Serpentinite pebble

Serpentinite; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), commonly with magnetite, chromite, and carbonate

Greenstone, possibly serpentine or altered basalt

Serpentinite (Mg₃Si₂O₅(OH)₄) or chlorite-epidote altered basalt; identification is uncertain from the image

Metallic sulfide ore fragment, possibly pyrite-bearing rock

Indeterminate; likely pyrite (FeS₂) in a sulfide-rich matrix

Likely serpentinized ultramafic rock (serpentinite)

Serpentinite; chiefly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnetite, brucite, and pyroxene

Small metallic mineral fragment

Indeterminate; possibly galena, hematite, magnetite, or metallic meteorite fragment

Halite

Halite (Sodium Chloride, NaCl)

Serpentinite (probable)

Serpentinite; chiefly serpentine-group minerals (antigorite/lizardite/chrysotile), commonly with magnetite and minor olivine/pyroxene

Possible bituminous coal

Coal, predominantly carbon with macerals and minor mineral impurities

Tumbled greenstone (likely serpentine or chlorite-rich stone)

Serpentinite, approximately Mg₃Si₂O₅(OH)₄; exact identification requires testing

Tumbled dark green stone, likely serpentinite or greenstone

Serpentinite (antigorite/lizardite-rich), or chlorite–amphibole greenstone

Green serpentine or nephrite-like stone

Serpentinite, chiefly serpentine-group minerals; exact identification would require testing

Serpentine-rich metamorphic rock

Serpentinite, dominated by serpentine-group minerals (antigorite/lizardite/chrysotile), with possible magnetite and carbonate

Green serpentine

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

Serpentinite (likely serpentinized ultramafic rock)

Serpentine-group minerals, chiefly lizardite, chrysotile, and/or antigorite; commonly derived from peridotite

Tumbled green-and-white stone, likely serpentine

Serpentinite; mainly serpentine-group minerals, Mg₃Si₂O₅(OH)₄, with possible magnesite or talc

Blue lace agate (tumbled)

Microcrystalline quartz, SiO₂ (chalcedony variety)

Halite (Himalayan Pink Salt)

Halite - NaCl (Sodium Chloride)

Tumbled banded stone, likely serpentine or chlorite-rich rock

Probable serpentinite (serpentine-group minerals: Mg₃Si₂O₅(OH)₄), possibly greenstone

Weathered greenstone (likely serpentinite or chlorite-rich metamorphic rock)

Serpentinite/chlorite schist; commonly dominated by serpentine-group minerals, Mg-rich chlorite, talc, and magnetite

Polished serpentine pendant

Serpentinite, chiefly serpentine-group minerals (lizardite, antigorite, chrysotile), commonly with magnetite and carbonate

Serpentinite

Serpentinite, dominated by serpentine-group minerals (chrysotile, lizardite, antigorite), commonly with magnetite and chlorite

Serpentinite (likely antigorite-rich)

Serpentinite; chiefly serpentine-group minerals, approximately Mg₃Si₂O₅(OH)₄, with magnetite, carbonate, and possible chlorite/talc

Polished greenstone (likely serpentinite or green granite)

Probably serpentinized ultramafic rock, chiefly serpentine-group minerals; exact identification requires testing

Serpentinite (likely antigorite-rich)

Serpentinite; hydrated Mg-rich silicate minerals, chiefly antigorite (Mg3Si2O5(OH)4), with possible chrysotile/lizardite and magnetite

Tumbled dark green stone, likely serpentine or greenstone

Serpentinite (hydrated magnesium silicate minerals, chiefly antigorite/lizardite); possible chlorite-rich greenstone

Likely serpentine-rich greenstone

Serpentinite/serpentinized ultramafic rock; chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), possibly with chlorite, talc, magnetite, or epidote

Likely serpentinite (serpentine-rich metamorphic rock)

Serpentinite, chiefly serpentine-group minerals (chrysotile, lizardite, antigorite), commonly with magnetite and minor talc/carbonate