Optimize performance of your Cole-Parmer® Freezer/Mill® grinders with a wide range of vial sets suitable for your application.

Handmade from flawless Brazilian agate, this vial set is ideal for grinding samples when organic and metallic contamination are equally undesirable. Agate is highly resistance to abrasion and very long wearing with moderate efficiency.

Hardness: Mohs 6-7; Knoop 550-800
Typical composition: Major element – Si; Minor elements – Al, Na, Fe, K, Ca, Mg