3118A - Agate Grinding Ball, 6.35 mm

• Ideal for grinding and mixing samples when organic and metallic contamination are equally undesirable.
• Extremely high resistance to abrasion and very long wearing withmoderate efficiency.
• Typical composition: Major element – Si; Minor elements – Al, Na, Fe, K, Ca, Mg.
• Hardness: Mohs 6-7; Knoop 550-800.

Crush, grind, and mill various materials. Ideal for grinding and mixing samples when organic and metallic contamination are equally undesirable. Handmade from flawless Brazilian agate.