Feldspars

· John Carlos Baez · April 11, 2026, 6:14 p.m.
Summary
In this blog post, the author shares their experience of finding a piece of labradorite in Quartzsite and explores its mineralogical properties, particularly labradorescence, while expressing a desire to learn more about feldspar, a geological substance that makes up a significant portion of the Earth's crust.
AUTHOR
Sponsored
Zulip logo Zulip
Organized team chat for people who take work seriously. Topic-based threading keeps conversations focused.
Try Zulip
Become a sponsor →