Below you can find the About 6% of the ore mined for this mineral contains usable fibers Jeopardy Words Answer. The answer to About 6% of the ore mined for this mineral contains usable fibers has 8 letters. This clue belongs to the Ores category and is part of Jeopardy Word Level 1428. If you scroll near the bottom you will find other clues and answers part of level 1428