Tincal is a sodium borate mineral formed by the weathering of borax.
Source: MSN Encarta MSN Encarta
Borate - Borax
GreenFacts Summary on Boron:
This summary is free and ad-free, as is all of our content. You can help us remain free and independant as well as to develop new ways to communicate science by becoming a Patron!
BECOME A PATRON!