Rare Mineral Specimens

Showing 136–144 of 191 results

• 

  Silver & Copper

  $175
• 

  Skutterudite

  $150
• 

  Spangolite

  $85
• 

  Sperrylite

  $950
• 

  Sperrylite

  $3,000
• 

  Sphalerite on Skeletal Galena

  $90
• 

  Sphalerite, Pyrite & Galena

  $55
• 

  Stibnite

  $65
• 

  Stichtite

  $85