Just a reminder..... a quick google search on our mineral:
https://www.google.com.au/search?q=vein graphite
Result 2: "The rarest and most valuable form is vein graphite"
Result 3: "Lump and or Vein graphite is commercially valuable, and highest quality types of natural graphite"
Result 5: "Vein graphite has the highest "degree of crystalline" perfection of all conventional graphite materials"
