Orange chalcedony geode with square formation Quartz I call this one "the

I call this one "the pie chart": one quarter matrix

but these "coprolites" are an inexpensive conversation piece—and always a great gift for kids

The specimen has sprouting growth forms

possibly low-quality olivine)

Approx dimensions: 4 x 4 x 3"

Orange chalcedony geode with square formation Quartz I call this one "theLocale: Atlas Mountains, Morocco Approx dimensions: 4 x 3 x 1. 5" Approx weight: 308g Typical stalactitic chalcedony is like a small cave lined with stalactites, botryoidal forms, and swirling agate patterns. This one lacks all of those lovely features so of course I was going to snatch it up. I've seen similar nested box shaped formations explained as pseudomorphs or perimorphs after cubic minerals, but that doesn't seem to apply here where the