Rare Mineral Specimens

Showing 136–144 of 189 results

• 

  Skutterudite

  $140
• 

  Spangolite

  $85
• 

  Sperrylite

  $950
• 

  Sperrylite

  $2,500
• 

  Sphalerite on Skeletal Galena

  $90
• 

  Sphalerite, Pyrite & Galena

  $55
• 

  Stibnite

  $75
• 

  Stichtite

  $85
• 

  Stromeyerite

  $160