-

Acanthite Crystals from the Chispas Mine in Sonora
$165.00 -



Acanthite on Quartz – La Sirena Mine, Guanajuato
$25.00 -



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



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



Bixbyite – Large Crystals on Topaz – Thomas Range
$46.00 -



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 – Arborescent Crystal Sheet from the Ajo Mining District
$28.00 -



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



Copper – Crystal Formation from the Northwestern Mine, Michigan
$66.00 -



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



Copper – Four Pound Vein Section from Adams County, Pennsylvania
$168.00 -



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



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



Copper – Well Defined Crystals from the Northwestern Mine, Michigan
$250.00 -



Copper – 9.25 pound vein of Native Copper – White Pine Mine
$335.00 -



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



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



Copper Crystals from Cumberland County, Nova Scotia
$20.00 -



Copper Crystals from the Underwater Gull Rock Fissure Vein – Michigan
$28.00 -



Copper Crystals from the Underwater Gull Rock Vein – Michigan
$52.00 -



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



Copper from the Bingham Canyon Mine in Utah
$22.00 -



Copper in Calcite Crystal – Quincy Mine, Michigan
$24.00 -



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



Copper with Silver – Keweenaw County, Michigan
$38.00 -



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



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



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 Plumbago Mine, Sierra County, California
$110.00 -



Gold from the Sigma Mine in Quebec
$95.00 -



Gold Wires on Quartz from Pershing County, Nevada
$58.00 -



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



Pyrargyrite – DT Hoppered Crystal from the Bote Mine
$48.00 -



Pyrargyrite Crystals from Fresnillo, Zacatecas
$125.00 -



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



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



Silver – Lattice-Like Formations from the El Bonanza Mine
$45.00 -



Silver – Native wire Mass from Creede District, Colorado
$48.00 -



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



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



Silver in Dolomite Slab – Alhambra Mine, New Mexico
$28.00 -



Silver on Amethyst – Amethyst Vein, Creede, Colorado
$105.00 -



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



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



Silver with Calcite – New Nevada Mine, Batopilas
$98.00 -



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
$40.00 -



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 -



Andradite Garnets from Stanley Butte, Arizona
$40.00 -



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 -



Cubanite – Twinned Crystal from the Henderson No. 2 Mine
$150.00 -



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 (36) – Cave in Rock
$10.00 -



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 – 28 mm crystal from the Type Locale – Hiddenite, NC
$150.00 -



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 – Ahumada Mine, Los Lamentos Mountains
$65.00 -



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
$68.00 -



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
$48.00 -



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



Wulfenite from the Red Cloud Mine, La Paz County
$72.00 -



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



Wulfenite from the Red Cloud Mine, La Paz County
$88.00 -



Wulfenite from the Red Cloud Mine, La Paz County
$56.00 -



Serandite from Mont Saint-Hilaire, MSH
$36.00 -



Analcime Crystals from Kings Valley, Washington
$32.00 -



Azurite Crystal Rosette from Morenci Arizona
$25.00 -



Copper – Bright Crystal Formation from Morenci Arizona
$32.00 -



Azurites – Acicular Clusters – Morenci Az
$32.00 -



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



Barite or Baryte – Parallel Crystal Twins from Stoneham
$24.00 -



Barite – Crystal Formation from Stoneham, Colorado
$32.00 -



Benitoite Crystal from the Gem Mine, San Benito County
$58.00 -



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 -



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 – Radiating Crystal Cluster from Piedras Parado
$100.00 -



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 -



Azurite – Double Terminated Crystal from the Milpillas Mine
$84.00 -



Azurite Crystal Clusters on Dickite covered Quartz Matrix – Milpillas
$94.00 -



Azurite Crystal Cluster from the Milpillas Mine
$100.00 -



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 -



Beryl – Rare Red Variety from the Ruby Violet Claims (98)
$65.00 -



Beryl – Rare Red Variety from the Wah Wah Mountains
$58.00 -



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 -



Calcites on Sphalerites from the Elmwood Mine, Tennessee
$48.00 -



Hexagonite – The Manganese rich variety of Tremolite
$25.00 -



Dravite Tourmalines from the Powers Farm in Pierrepont, New York
$75.00 -



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 -



Sphalerite Crystal Rosettes – Elmwood Mine
$24.00 -



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



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



Double Terminated Calcite from the Elmwood Mine
$24.00 -



Double Terminated Calcite from the Elmwood Mine
$24.00 -



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 -



Sphalerite Crystal Rosette from the Elmwood Mine
$26.00 -



Sphalerite Crystal Rosette from the Elmwood Mine
$22.00 -



Calcite Crystal from the Elmwood Mine, Smith County
$18.00 -



Barite – “Snowball” Formation from the Elmwood Mine
$20.00 -



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 -



Barite with Sphalerite and Dolomite from the Elmwood Mine
$56.00 -



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 -



Chalcopyrite Crystals from the Sweetwater Mine
$18.00 -



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 – Spherical Clusters from the Mina Navidad
$64.00 -



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
$36.00 -



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 -



Fluorapatite – Twinned Gem Crystals from Cerro de Mercado
$58.00 -



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