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Acanthite Crystals from the Chispas Mine in Sonora
$165.00 -




Anatase – Crystal Cluster on Muscovite- North Carolina
$20.00 -




Anorthite variety Bytownite – Dorado Mine, Casas Grandes
$25.00 -




Bertrandite Geode – Rare “Tiffany Stone” Geode from Utah
$355.00 -




Boulangerite Crystals from the Noche Buena Mine, Zacatecas
$58.00 -




Boulangerite on Pyrite – Noche Buena Mine, Zacatecas
$125.00 -




Bytownite Crystal from the Dorado Mine, Chihuahua
$17.50 -




Calcite – Natural Orange Calcite from Chihuahua
$30.00 -




Celestite – Stoneco Quarry, Lime City, Ohio
$78.00 -




Chalcocite – Replacement of Fossilized Wood, New Mexico
$48.00 -




Copper – Spinel Twinned Crystal from the Ray Mine
$35.00 -




Copper – Spinel Twinned Crystal with Malachite Coating – Ray Mine
$38.00 -




Copper – Cross-like Crystal Formation from the Northwestern Mine
$38.00 -




Copper – Elongated crystals from the Isle Royal Mines
$78.00 -




Copper – Mass of Spinel Twinned Crystals – Quincy Mine, Michigan
$316.00 -




Copper – Multiple Spinel Twinned Crystals – Ray Mine
$48.00 -




Copper – Aesthetic 3 Inch Crystal Display – White Pine Mine
$132.00 -




Copper – Fan-like Crystal Formation from Michigan
$150.00 -




Copper Crystals with Spinel Twinning from the Milpillas Mine
$98.00 -




Copper in Conglomerite – 9 Pound piece – Kingston Mine
$120.00 -




Cuproaustinite from the Gold Hill Mine, Tooele County, Utah
$24.00 -




Dauphine Twinned DT Smokey Quartz – Diamond Hill Mine
$56.00 -




Dioptase on Chrysocolla, Morenci Pit, Arizona
$265.00 -




Fluororichterite Crystals from Wilberforce, Ontario
$28.00 -




Gold – Native Crystal from the Mayo Mining District, Yukon
$28.00 -




Gold – Native Crystal from the Mayo Mining District, Yukon
$30.00 -




Gold Crystals from Placer County, California
$58.00 -




Gold from the Sigma Mine in Quebec
$95.00 -




Indicolite -Bi colored Crystal from the Stewart Mine, California
$48.00 -




Malachite Psedomorphs of Azurite – New Cornelia Mine, Az
$126.00 -




Mimetite – Congresso-Leon Mine, San Pedro Corralitos
$65.00 -




Native Silver Crystals on Calcite – Batopilas, Chihuahua
$325.00 -




Native Silver/Copper Halfbreed – Caledonia Mine, Michigan
$125.00 -




Polybasite Crystals – Creede Mining District, Colorado
$55.00 -




Pyrargyrite Crystals from Fresnillo, Zacatecas
$125.00 -




Rutile on Limonite Pseu. Siderite – Boiling Springs, N. Carolina
$45.00 -




Silver – Arborescent Crystal Formation, White Pine Mine
$48.00 -




Silver – Crystalline Plate from the Cobalt Area, Ontario
$34.00 -




Silver – Thick 42 mm DT Wire from Creede District, Colorado
$125.00 -




Silver Crystals from Gogama, Sudbury District, Ontario
$48.00 -




Silver on Copper – Cliff Mine, Michigan
$88.00 -




Silver Ore Slab from the Cobalt-Gowganda Region
$245.00 -




Silver Sheet Between Iridescent Bornite – San Martin Mine
$88.00 -




Silver/Copper Crystals from the Wolverine Mine, Michigan
$48.00 -




Smokey Amethyst – Twinned Crystal – Diamond Hill Mine
$56.00 -




Smokey Quartz Cluster – Smokey Bear Quartz Claim, N Mexico
$200.00 -




Spangolite with Brochantite from the Mex-Tex Mine, New Mexico
$35.00 -




Sphalerite from the Buick Mine, Iron County, Missouri
$54.00 -




Sulfur Crystal From the Maybee Quarry, Michigan
$28.00 -




Sulfur- Floater Crystal from the Maybee Quarry, Michigan
$34.00 -




Sylvanite Crystals from Cripple Creek, Colorado
$18.50 -




Sylvanite Crystals from Cripple Creek, Colorado
$18.50 -




Vanadinite on Calcite from the Apex Mine, Chihuahua
$140.00 -




Agatized Fossil Coral from the Withlacoochee River, Georgia
$125.00 -




Barite – Light Blue Crystal Cluster from Cartersville Georgia
$46.00 -




Barite Crystal Plate from Cartersville, Georgia
$56.00 -




Fluorite – Cleavage (30) from Illinois – Cave in Rock
$14.00 -




Fluorite – Cleavage (35) from Illinois – Cave in Rock
$14.00 -




Fluorite Cleavage from Illinois (10) – Cave in Rock
$27.50 -




Fluorite Cleavage from Illinois (13) – Cave in Rock
$26.00 -




Fluorite Cleavage from Illinois (33) – Cave in Rock
$25.00 -




Fluorite Cleavage from Illinois (34) – Cave in Rock
$24.00 -




Fluorite Cleavage from Illinois (35) – Cave in Rock
$12.50 -




Fluorite Cleavage from Illinois (37) – Cave in Rock
$25.00 -




Hiddenite – 2.6 carat crystal from the Type Locale – Hiddenite, NC
$100.00 -




Hiddenite – 1.8 carat crystal from the Type Locale – Hiddenite, NC
$55.00 -




Hiddenite – 4.3 carat crystal from the Type Locale – Hiddenite, NC
$220.00 -




Uralite from the Calumet Mine, Colorado
$150.00 -




Vanadinite (Endilictite) – Erupcion Mine, Los Lamentos Mountains
$55.00 -




Wulfenite – Excellent Display – Red Cloud Mine, La Paz County
$135.00 -




Wulfenite – Red Cloud Mine, La Paz County
$76.00 -




Wulfenite – Red Cloud Mine, La Paz County
$125.00 -




Wulfenite – Red Cloud Mine, La Paz County
$125.00 -




Wulfenite – Dozens of Crystals up to 9 MM from the Red Cloud Mine
$54.00 -




Wulfenite – Red Cloud Mine, La Paz County
$44.00 -




Wulfenite from the Red Cloud Mine, La Paz County
$95.00 -




Serandite from Mont Saint-Hilaire, MSH
$65.00 -




Serandite from Mont Saint-Hilaire, MSH
$36.00 -




Azurites – Acicular Clusters – Morenci Az
$32.00 -




Barite Clusters on Chert from the Elmwood Mine, Tennessee
$30.00 -




Benitoite Crystal from the Gem Mine, San Benito County
$48.00 -




Benitoite Crystals from the Gem Mine, San Benito County
$150.00 -




Neptunite Crystals from the Gem Mine, San Benito County
$310.00 -




Benitoite on Matrix from the Gem Mine, San Benito County
$48.00 -




Copper – Copper Vein filled Slab fom the Central Mine
$110.00 -




Acanthite Crystal Cluster from the San Juan Rayas Mine, Guanajuato
$58.00 -




Acanthite pseudomorph of Argentite San Juan Rayas Mine
$58.00 -




Polybasite Crystals from Guanajuato, Guanajuato Municipality
$225.00 -




Acanthite Crystals from the San Juan Rayas Mine
$58.00 -




Pyrargyrite Crystal Cluster from Guanajuato
$58.00 -




Adamite – Acicular Crystal Fans from the Ojuela Mine
$78.00 -




Amethyst – Acicular Crystal Cluster from Piedras Parado
$22.00 -




Amethyst – Stunning Crystals on Matrix from Piedras Parado, Veracruz
$195.00 -




Amethyst – Aesthetic Crystal Clusters from Vercruz
$225.00 -




Amethyst – Outstanding Crystal Clusters – Veracruz
$240.00 -




Amethyst – Large Crystal Vee Formation from Veracruz
$125.00 -




Amethyst – Large Crystals from Veracruz
$125.00 -




Amethyst – Large Crystals from Piedras Parado
$145.00 -




Amethyst – Large Crystals from Veracruz
$125.00 -




Amethyst – Large Crystals from Veracruz
$125.00 -




Amethyst – Large Crystals from Veracruz
$125.00 -




Anhydrite – Famous Blue Color from the Naica Mine, Chihuahua
$86.00 -




Boleite Crystal from the Boleo District – 4 mm
$36.00 -




Boleite – Cubic Crystal from the Boleo District – 4 mm
$36.00 -




Boleite – Twinned Crystals from the Boleo District – 8 mm
$48.00 -




Red Beryl Crystal Cluster – Ruby Violet Claims
$225.00 -




Beryl – Rare Red Variety from the Ruby Violet Claims (9)
$48.00 -




Elbaite Crystals – Variety Rubellite – Himalaya Mine
$25.00 -




Elbaite Tourmaline – Varieties Rubellite/Verdelite Mix – Himalaya Mine
$38.00 -




Elbaite Tourmaline – Variety Rubellite in Lepidolite- Himalaya Mine
$68.00 -




Hexagonite – The Manganese rich variety of Tremolite
$25.00 -




Galena – Floater Crystal from the Elmwood Mine, Tennessee
$15.00 -




Galena Crystals from the Elmwood Mine, Tennessee
$24.00 -




Hematite Stalactites From the Graves Mountain Mine
$25.00 -




Hematite From the Graves Mountain Mine
$24.00 -




Calcites on Sphalerite from the Elmwood Mine
$38.00 -




Galena – Spinel Twins from the Elmwood Mine
$20.00 -




Sphalerite Crystal Rosette – Elmwood Mine
$14.00 -




Sphalerite Crystal Rosette – Elmwood Mine
$12.00 -




Calcite – Double Terminated Crystal from the Elmwood Mine, Tennessee
$35.00 -




Calcite – Large Crystal from the Elmwood Mine, Tennessee
$76.00 -




Double Terminated Calcite on Calcite – Elmwood Mine
$85.00 -




Double Terminated Twinned Calcite from the Elmwood Mine
$48.00 -




Double Terminated Twinned Calcite from the Elmwood Mine
$24.00 -




Sphalerite Crystal Plate with Fluorites – Elmwood Mine
$58.00 -




Barite – “Snowball” from the Elmwood Mine
$28.00 -




Barite Crystal Clusters from the Elmwood Mine
$34.00 -




Barite on Sphalerite Crystals from the Elmwood Mine
$56.00 -




Barite on Sphalerite Crystal Plate – Elmwood Mine
$40.00 -




Calcite Crystal from the Elmwood Mine, Smith County, Tennessee
$35.00 -




Calcite on Sphalerite Crystals from the Elmwood Mine
$45.00 -




Calcite Crystal from the Elmwood Mine, Smith County, Tennessee
$58.00 -




Calcite from the Elmwood Mine, Tennessee
$76.00 -




Lazulite – Large Complex Crystal from Graves Mountain
$45.00 -




Brochantite – Prismatic Crystals from the Milpillas Mine, in Sonora
$130.00 -




Calcite Crystal Twins from the Santa Eulalia District, Chihuahua
$40.00 -




Selenite – “Rams Horn” Formation from the Santa Eulalia District
$48.00 -




Selenite – Double Terminated Formations from the Santa Eulalia District
$34.00 -




Creedite on matrix from the Mina Navidad, Abasolo, Durango
$56.00 -




Creedite – Outstanding Piece from the Mina Navidad, Abasolo, Durango
$50.00 -




Creedite – Spherical Cluster from the Mina Navidad
$58.00 -




Creedite Clusters from the Mina Navidad, Abasolo
$78.00 -




Cuprite – Brilliant Crystals from the Milpillas Mine
$42.00 -




Cuprite – Crystal Specimen from the Milpillas Mine
$85.00 -




Cuprite – Large Crystals from the Milpillas Mine, Cuitaca
$55.00 -




Cuprite Crystals from the Milpillas Mine, Cuitaca
$30.00 -




Cuprite Crystals from the Milpillas Mine, Cuitaca
$28.00 -




Cuprite – Hoppered Crystals from the Milpillas Mine, Cuitaca
$28.00 -




Cuprite Crystals from the Milpillas Mine, Cuitaca
$40.00 -




Shattuckite, Chrysocolla & Quartz from the Milpillas Mine
$34.00 -




Cuprite Crystals – Outstanding Specimen from Milpillas
$65.00 -




Danburite – Tantric or Parallel Triplets from Charcas
$20.00 -




Danburites with Calcites from Charcas, San Luis Potosi
$48.00 -




Copper Crystal Cluster in Matrix from the Chino Mine
$65.00 -




Copper – Double Terminated Spinel Twins – Chino Mine
$78.00 -




Copper – Large Hoppered Crystals from the Central Mine, Michigan
$76.00 -




Copper – Spinel Twinning from the Central Mine, Michigan
$96.00 -




Copper – Spinel Twinning from the Chino Mine
$175.00 -




Copper – Spinel Twinning from the Empire Mine, Michigan
$150.00 -




Copper/Silver Halfbreed Nugget from Keweenaw County
$54.00 -




Copper – 2 1/2 inch Spinel Twinned Crystal on Matrix – Chino Mine
$225.00 -




Copper – Spinel Twinned Crystal from the Chino Mine
$56.00 -




Copper Crystal Spinel Twin from the Chino Mine
$76.00 -




Copper Crystal Spinel Twins from the Chino Mine, Santa Rita
$125.00 -




Copper Crystals – Spinel Twins from the Chino Mine
$132.00 -




Copper Crystals from the Central Mine, Michigan
$26.00 -




Silver Crystals from the Copper Falls Mine, Michigan
$100.00 -




Dolomite Pseudomorph of Aragonite – from New Mexico
$14.00 -




Dolomite Pseudomorph of Aragonite from New Mexico
$14.00 -




Linarite on Anglesite after Galena – Blanchard Mine
$48.00 -




Linarite with Brochantite from the Blanchard Mine
$34.00 -




Fluorite – Magenta Crystals from the Denton Mine, Illinois
$110.00 -




Barite Crystal Clusters – Denton Mine, Hardin County, Illinois
$125.00 -




Calcites on Sphalerite – Denton Mine, Illinois
$85.00 -




Fluorite Crystal Cluster with Calcites from the Denton Mine
$350.00 -




Galena Crystals with Twinned Habits from Picher Field
$25.00 -




Galena – Twinned Complex Crystals from the Picher Field
$42.00 -




Galena Spinel Twins from the Elmwood Mine, Tennessee
$18.00 -




Galena, Sphalerite and Calcite from the Elmwood Mine
$55.00 -




Galena from the Elmwood Mine, Carthage, Smith County
$15.00 -




Galena – Complex Cuboctahedral Habits from Missouri
$16.00 -




Galena – Dipyramidal Octahedron from Picher Field, Oklahoma
$20.00 -




Galena Crystals – Spinel Twins from the Buick Mine
$30.00 -




Galena – Spinel Crystal Twinning – Fletcher Mine, Missouri
$32.00 -




Galena – Spinel Crystal Twins – Brushy Creek Mine
$24.00 -




Galena – Complex Octahedral Habits from the Sweetwater Mine Missouri
$30.00 -




Galena – Modified Crystals from the Sweetwater Mine, Missouri
$48.00 -




Galena – Complex Crystal Plate from the Naica Mine, Mun. de Saucillo
$48.00 -




Galena – Cuboctahedral Crystals from Naica Mine
$86.00 -




Galena – Mirror Bright Skeletal Crystals from Naica Mine
$38.00 -




Hemimorphite – Uncommon Blue Crystals from Santa Eulalia
$12.00 -




Hemimorphite Crystals from the Ojuela Mine, Mapimi
$42.00 -




Malachite replacement of Azurites – Milpillas Mine
$20.00 -




Malachite replacement of Azurites – Milpillas Mine – Sonora
$30.00 -




Mimetite -Large Crystals on Calcite – Ojuela Mine in Mapimi
$92.00 -




Mimetite from the Ojuela Mine in Mapimi
$64.00 -




Mimetite – Stunning Yellow Crystals from the Ojuela Mine in Mapimi
$86.00 -




Mimetite from the Ojuela Mine in Mapimi
$46.00 -




Mimetite from the Ojuela Mine in Mapimi
$64.00 -




Mimetite from the San Antonio Mine, Santa Eulalia District
$32.00