Showing 385–480 of 507 results

• 

  San Rafael Swell Bubble Agate

  $20 – $40
• 

  Scheelite

  $35
• 

  Scheelite

  $40
• 

  Scheelite in Quartz

  $40
• 

  Schirmerite

  $140
• 

  Seeligerite

  $150
• 

  Selenite

  $25
• 

  Selenite

  $25
• 

  Senarmontite

  $55
• 

  Shattuckite

  $35
• 

  Sherwoodite

  $55
• 

  Siderite

  $4,000
• 

  Silicon

  $20
• 

  Silver & Copper

  $250
• 

  Silver Wire

  $95
• 

  Silver Wire

  $80
• 

  Skutterudite

  $120
• 

  Small Blue Agate Slab

  $20
• 

  Smoky Quartz

  $65
• 

  Smoky Quartz

  $60
• 

  Smoky Quartz

  $55
• 

  Smoky Quartz

  $75
• 

  Smoky Quartz

  $40 – $250
• 

  Smoky Quartz & Microcline

  $30
• 

  Sodalite

  $20
• 

  Sowbelly Agate & Amethyst

  $120
• 

  Spangolite

  $85
• 

  Sperrylite

  $950
• 

  Sperrylite

  $2,000
• 

  Sphalerite

  $95
• 

  Sphalerite

  $150
• 

  Sphalerite

  $160
• 

  Sphalerite on Skeletal Galena

  $90
• 

  Sphalerite, Pyrite & Galena

  $55
• 

  Spodumene

  $55
• 

  Stibnite

  $75
• 

  Stichtite

  $85
• 

  Stromeyerite

  $150
• 

  Sudburyite

  $25,000
• 

  Sulfur

  $45
• 

  Sulfur Crystals

  $30 – $110
• 

  Sursassite

  $75
• 

  Sylvanite

  $150
• 

  Sylvanite

  $140
• 

  Sylvanite

  $200
• 

  Sylvanite

  $110
• 

  Sylvanite

  $200
• 

  Sylvanite

  $100
• 

  Sylvanite

  $100
• 

  Sylvanite

  $100
• 

  Sylvanite

  $275
• 

  Talnakhite

  $75
• 

  Tantalite

  $40
• 

  Tantalite

  $65
• 

  Tanzanite w Pyrite & Graphite

  $55
• 

  Tellurite

  $95
• 

  Tellurite

  $40
• 

  Tellurite

  $50
• 

  Tellurite

  $400
• 

  Tellurium, Hessite & Petzite

  $275
• 

  Telluronevskite

  $145
• 

  Tennantite

  $65
• 

  Thorite & Zircon

  $120
• 

  Thortveitite

  $115
• 

  Titanite

  $40
• 

  Titanite

  $200
• 

  Topaz

  $35
• 

  Topaz

  $40
• 

  Topaz

  $55
• 

  Topaz on Zinnwaldite

  $90
• 

  Tourmaline

  $20
• 

  Tourmaline

  $140
• 

  Tourmaline

  $65
• 

  Tourmaline

  $140
• 

  Tourmaline

  $70
• 

  Tourmaline

  $180
• 

  Tourmaline on Lepidolite

  $200
• 

  Triangular Point

  $200
• 

  Triceratops Tooth

  $3,200
• 

  Trilobite

  $30
• 

  Trilobites

  $25
• 

  Trinitite

  $60
• 

  Trinitite

  $100 – $200
• 

  Tsumgallite

  $175
• 

  Tsumgallite

  $200
• 

  Tsumgallite

  $350
• 

  Tsumgallite

  $400
• 

  Turquoise

  $25
• 

  Turquoise

  $110
• 

  Turritella

  $40
• 

  Turritella

  $30
• 

  Unakite

  $15
• 

  Unakite

  $15
• 

  Uralite

  $60
• 

  Uraninite & Soddyite

  $140
• 

  Ureilite – NWA 11890

  $25