Probertite - Borax Pit #3, Ryan, Inyo County, California
Contributed by: Mark Cole
Date: Mar 18th, 2026
Locality: Boraxo Mine, Ryan, Furnace Creek Mining District (Furnace Creek Borate Mining District), Inyo County, California, USA (See on Mindat)
Description:
Originally posted by Mark Cole on Nature's Rainbows in 2015.
Summary of luminescence responses:
Probertite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow