Minerals Fracture Collection

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Minerals Fracture Collection
$12.50

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G1102-4 Minerals Fracture Collection
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Minerals 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:

  • Quartz
  • Kaolinite
  • Native Copper
  • Obsidian
  • Magnetite
  • Sulfur

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