Radio Silence!https://minerals.usgs.gov/minerals/pubs/commodity/boron/mcs-2016-boron.pdf
Domestic Production and Use: Two companies in southern California produced borates in 2015, and most of the boron products consumed in the United States were manufactured domestically. U.S. boron production and consumption data were withheld to avoid disclosing company proprietary data.
Turkey is is playing with fire and the US has no new mines. No one does! Yet.
"Just Saying" Keep the Focus.