Week III Eve in Year 59

I enjoyed today’s exploration into the realms of geology and chemistry. Wordplay with it proved challenging.

Zealously she learned about the

Exchange properties of this helpful mineral, with an eye
On its use in purifying water; and then, oh my!...
Lava flows along Lake Superior
In Minnesota have revealed its cousin, the rare
Thomsonite, containing concentric colorful rings.
Even rocks can sing!