Ward's® Obsidian (Brown and Black)

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WARD470026-144 WARD470026-146 WARD470026-142
470026-146EA 14.95 USD
470026-144 470026-146 470026-142
Ward's® Obsidian (Brown and Black)
Specimens Rock Specimens Igneous Rocks
Banded volcanic glass.

Ordering information: WARD’S offers different specimen sizes to meet your various needs: Student specimens are ideal for students to use for study and identification. Specimens range in size from 1×1" to 1×2" and come in packages of ten. Hand specimens are great for lectures, demonstrations, and display. Specimens range in size from 2×3" to 3×4", and each comes in a labeled plastic tray. Bulk pack includes several of the smaller pieces are suitable for classroom study, while the larger specimens in the one kilogram pack can be cut to sizes that meet your specific needs. The number and size of pieces will vary.