With tridymite
Thanks for that, especially the magnified pic. I've seen this before, and I sure, hoped/wondered if i'd found something fairly exotic. At least more than a...quartz. Still, it is a relevant step in the learning process.
Thanks for that, especially the magnified pic. I've seen this before, and I sure, hoped/wondered if i'd found something fairly exotic. At least more than a...quartz. Still, it is a relevant step in the learning process.