Natural aquamarine gemstone, round faceted cut

$75
10K or 14K yellow gold vintage wedding band with diagonal etched floral or leaf pattern

$325
Fossilized dinosaur footprint (likely sauropod) in sedimentary stone

Granite pegmatite rock specimen with mica, feldspar, and quartz inclusions

$50
Sandstone specimen, possibly Navajo Sandstone formation

$75
Stone tool or artifact, possibly a prehistoric chopper or hammerstone

$2,500
This is gold flakes with many other fine materials and minerals ...

$75
Natural gold ore specimen

$120
Modern sport sunglasses with tortoiseshell frame and brown polarized lenses

$20
Fossil osteoderm (bony plate) from a Glyptodon

$70
Stone fossil specimen, possibly ammonite or marine invertebrate impression in sedimentary matrix

$225
Natural rough yellow diamond crystal

$150
Stone grinding tool (mano) and metate fragment, Native American prehistoric artifact

$125
Natural gold ore specimen with visible gold in quartz matrix

$168
Natural gold ore specimen in quartz matrix

$345
Ordinary chondrite meteorite fragment, likely H5 classification

$120
Natural quartz geode nodule specimen

$47
Ammonite fossil specimen

$130
Jefferson Nickel dated 1934

$18
Natural river rock or decorative stone with golden-yellow coloration and dark mineral inclusions

$30
Natural rough garnet crystal specimen

$75
Natural pyrite druzy cabochon gemstone

$20
Natural mineral specimen, possibly a geode fragment or botryoidal quartz/limonite concretion

$225
Natural gold ore specimen

$275