Brand: Cornerstone Educational Supply

Product Code:

Availability:In stock

$12.50 12.50

Available Options

This is a 10-pack of our streak plates, used for the streak test and hardness tests for minerals.

Our streak plates 

  • are 2"x2" tiles

  • come in your choice of white (for most minerals) or black (helpful for light-colored minerals)

  • clean easily with soap and water for years of use


Classical Conversations Directors: This is the type of streak plate you need for Week 14's streak test experiment! It's flat on both sides so students can perform the test and streak-write their name on the other side.