Feldspars

Azimuth 2026-04-12

Summary:

  Returning from a trip to New Mexico to explore some Puebloan ruins, I picked up this beautiful chunk of labradorite in the town of Quartzsite. This mineral creates an eerie blue shimmer in the sunlight: a phenomenon called ‘labradorescence’. Reading up on it, I discovered it’s a form of feldspar. 60% of the Earth’s […]

Link:

https://johncarlosbaez.wordpress.com/2026/04/11/feldspars/

From feeds:

Online Mathematical Communication » Azimuth

Tags:

chemistry

Authors:

John Baez

Date tagged:

04/12/2026, 08:06

Date published:

04/11/2026, 13:55