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Ward's® Geo-Logic Cleavage, Fracture, and Parting Collection

WARD470025-338 WARD470175-728
Examples of Different Forms of Breakage in Minerals

  • Developed by teachers and WARD's Staff Geologists
  • Classroom tested for dependabilty
  • Designed to save valuble planning and preparation time
Demonstrate the structure of minerals with specimens known for well-defined breaking patterns in our GEO-logic collection. A teacher's guide and student copymasters are included for the following activities: internal structure of minerals — how they break; cleavage directions and measurement of angles; and significance of cleavage, fracture, and parting. The set is housed in a compartmented collection box.
The GEO-logic system provides a modular approach to teaching and allows you to address broad curriculum needs for the study of minerals and rocks; natural resources and energy; and fossils and earth history. The types of GEO-logic teaching collections include:
• Topic Sets, which provide greater depth in an individual subject area and include both a teacher’s guide and student copymasters
• Classroom Bundles, which provide 15 bulk-packaged samples included in the reference or topic set and 15 sets of any required testing materials included with the corresponding set
*Classroom Bundles are bulk-packaged and do not include display boxes, or teacher/student activity guides.

Contents:12 numbered samples, 1"" x 2""; magnifier; protractor; ruler
Minerals: biotite, calcite, corundum, fluorite, garnet, halite, hornblende, magnetite, microcline, quartz, sphalerite, tremolite



Item # Description No. of Samples Unit Availability Price Quantity
470025-338 Cleavage, Fracture, Parting Topic Set
12 Each Retrieving
470175-728 Cleavage, Fracture, Parting Bundle Set
15 of 12 Unique Samples Each Retrieving Restricted
restricted This product is marked as restricted and can only be purchased by approved Shipping Accounts. To apply for a shipping account number, click here. If you need further assistance, call Customer Service at 800-387-9393 or email


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