Pink chalcedony nodule Geode making it an ideal material

making it an ideal material for drink coasters—condensation easily absorbs into the rock without damaging it

The spots also may simply be iron or chlorite

but it’s actually a trade name for sandstone from this locale that has been heat-treated to intensify its red color

This piece also appears to have some small blade-like secondary crystals

I call this one "the whale"

Pink chalcedony nodule Geode making it an ideal materialLocale: Yankee Dog Claim, Hidalgo, New Mexico Approx size: 1. 5" Approx weight: 48g 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