DetailsMinerals Fracture Collection
Bonus - Free Student Magnifier with each set (# 7101-1)
Some minerals (and rocks) do not demonstrate a parting or cleavage along specific planes, but they do have a consistency in how they break. The resulting surfaces are described as conchoidal (obsidian), uneven (hornblende), etc. The important types of fracture are demonstrated with this collection. Detailed card is included.
6 specimens approximately 1 1/2 x 1 1/2 Inch as follows:
- Native Copper