Magnesium can develop a white powdery surface. Yes, you can coat it. Given the difficulty producing shavings in the field , a secure container of preshaved magnesium soves both issues.
WARNING & DISCLAIMER:
SELECT AND USE OUTDOORS AND SURVIVAL EQUIPMENT, SUPPLIES AND TECHNIQUES AT YOUR OWN RISK. Information posted
on this forum is not reviewed for accuracy and may not be reliable, use at your own risk. Please
review the full WARNING & DISCLAIMER about information on this
site.