Minerals Unusual Properties of Minerals

Bonus - Free Student Magnifier with each set (# 7101-1)

This collection offers an exciting look at some of the most peculiar physical properties exhibited by minerals. Properties illustrated include double refraction, magnetism, taste, fluorescence, thermal expansion, and conductivity. Detailed card is included.

15 specimens approximately 1 x 1 1/2 Inches as follows:

• Halite
  
• Calcite var. Iceland Spar
  
• Magnetite
  
• Magnetite var. Lodestone
  
• Graphic Granite
  
• Mica var. Phlogopite
  
• Gypsum var. Selenite
  
• Tourmaline
  
• Pyrolusite
  
• Fluorite
  
• Graphite
  
• Bauxite
  
• Hackmanite
  
• Ulexite
  
• Vermiculite