Pink chalcedony nodule Vanadinite Approx dimensions: 7 x 4

Approx dimensions: 7 x 4

but may simply be quartz

These polished spheres of picture sandstone are made from Arizona Sierra sandstone sourced from central Arizona

Some areas on this piece phosphoresces briefly

but on other specimens they have a near-metallic luster resembling pyrite

Pink chalcedony nodule Vanadinite Approx dimensions: 7 x 4Locale: Yankee Dog Claim, Hidalgo, New Mexico Approx size: 1. 5" Approx weight: 40g Pink chalcedony nodules, sometimes called "chalcedony desert roses," have been discovered across the southwest. They were prolific from this locale back in the 1990s, but today are much harder to come byat least with any size or quality. The material is known for its strong UV reaction and undulating ropy, botryoidal forms. Pink chalcedony often grows shapes like a