User blog comment:Master Moridin/A (Potentially Unnecessary) Explanation for Inconsistent Ammo Count/@comment-26397825-20151107053015/@comment-25396609-20151107181359

The octagonal crystals are about the right dimensions besides the facets. Have we ruled out being able to compress powder dust back into crystal form? if so she may very well use powder to transport and press it into the tube shapes.