Selenite
Selenite is a transparent, crystalline variety of gypsum mineral often sold as small polished pieces, wands, or clusters for collectors and spiritual use.
Estimated value as of 2026 · Source: Average from common selenite tumbles, hearts, small spheres, and desert roses ac…
Fun Fact
Exceptional large selenite crystals from mines like Naica, Mexico can be worth hundreds to thousands of dollars for museum-quality specimens.
Price History
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Dog Collar
A dog collar is a band worn around a dog's neck, typically made of nylon or leather, used for identification, control, and attaching leashes.
Stepping Stone
A garden stepping stone is a decorative concrete or stone paver used to create pathways through lawns, gardens, or patios, often featuring embossed designs like flowers, animals, or verses.
Fossil Tyrannosaurus Rex Skeleton (Stan)
Nearly complete T-Rex skeleton auctioned for research and display.
Californium-252 (per gram)
Rare synthetic element produced in nuclear reactors, the rarest element in practical use.