These 1/4" thick glass plates are excellent for testing minerals. After scratching the 1"x 2" plates, students separate hard and soft minerals. Package of 10.
Age/Grade
Age From 9+
Grade From 4+
International Data
HTS Code 9023000000
Country Of Origin United States of America
Product Code
UPC-12 795721131118

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Black Streak Plates - 10 Pack (Not Shown)

  • Product Code: 9215
  • $7.49


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