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When the shatterbox cycle is done, open the lid and remove the vessels, placing them on the counter. Open the grinding vessel and with clean tweezers take a bit of the powder and feel it against the inside of your wrist. The sample should feel like talc powder. If it does not, repeat the shatterbox cycle. A 1-3 minute cycle is enough for most of rocks.
Transfer powder into Vial
Disassemble the vessel carefully wearing Nitrile gloves. Clean off any powder on the lid or puck with a Kimwipe or Teflon spatula. Carefully remove the puck from the vessel. Pour the sample onto a clean piece of weigh paper. If any powder remains, use a cleaned Teflon spatula to dislodge it.
Never use metal to dislodge or scrap out sample material, as any grooves or scratches in the vessels will increase the risk of contamination.
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