SCIO — When Rose Schatz talks about finding new rocks to polish, her face lights up like a kid at Christmas.

In this paper, we analyze the effect of different underground materials on very-low and low-frequency magnetic fields used in the contexts of magneto-inductive localization and communication ...

A green garnet, tsavorite, also occurs in metamorphic rocks, but it’s rarer because it needs unusual rock chemistries and special conditions to form. Demantoid is a rare and famous green garnet, ...