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    • Microcline
      CSW1024838
      Microcline
      Lake Buchanan, Llano County, Texas, United States of America
      Size: 
      3 × 2.5 × 2.2 cm
      Small miniature (3-4.5 cm)
      Description: 
      A nice example of a large, red/brown, terminated microcline crystal from a seldom offered locality. L9
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    • Millerite & Calcite
      CSW917392
      Millerite & Calcite
      Kaser Quarry, Ollie, Keokuk County, Iowa, United States of America
      Size: 
      4.3 × 2.7 × 1.2 cm
      Small miniature (3-4.5 cm)
      Description: 
      Tufts of nice hair-like millerite crystals fill a vug between calcite crystals.
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    • Analcime & Thomsonite-Ca
      CSW1056125
      Analcime & Thomsonite-Ca
      Scottstown Quarry, Ballymena, County Antrim, Northern Ireland, United Kingdom
      Size: 
      6.5 × 6 × 3.5 cm
      Miniature (4.5-7 cm)
      Description: 
      Basalt matrix with a rich coverage of milky white, trapezohedral analcime crystals with fibrous thomsonite-Ca crystals from a seldom...
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    • Native Gold
      CSW1056149
      Native Gold
      Croagh Patrick, County Mayo, Irish Republic (Eire)
      Size: 
      1 × 0.8 × 0.7 cm
      Thumbnail (1-3cm)
      Description: 
      A small, but beautifully crystallised specimen of white quartz covered in small, bright native gold crystals from this classic Irish...
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    • Synchysite
      CSW827898
      Synchysite
      Gebel Quarry, Cuasso al Monte, Varese Province, Lombardy, Italy
      Size: 
      4 × 3.3 × 2.7 cm
      Small miniature (3-4.5 cm)
      Description: 
      Matrix with cavities containing small brown curved synchesite crystals.
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    • Cerussite & Fluorite
      CSW1056147
      Cerussite & Fluorite
      Coldstones Quarry, Greenhow, Pateley Bridge, North Yorkshire, United Kingdom
      Size: 
      3 × 2.8 × 1.8 cm
      Small miniature (3-4.5 cm)
      Description: 
      Quartz and galena matrix with lots of nice, grey cerussite crystals associated a few fluorite crystals. A5
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    • Quartz Var Amethyst
      CSW1056133
      Quartz Var Amethyst
      Waterswallows Quarry, Green Fairfield, Derbyshire, United Kingdom
      Size: 
      3.5 × 2.5 × 2.5 cm
      Small miniature (3-4.5 cm)
      Description: 
      A rare locality specimen of pale violet amethyst on matrix. A5
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    • Specularite & Dolomite
      CSW1033070
      Specularite & Dolomite
      Frizington, Cumbria, United Kingdom
      Size: 
      4.7 × 4 × 3.6 cm
      Miniature (4.5-7 cm)
      Description: 
      A lovely old example of matrix with cavities lined with creamy pink coloured dolomite crystals associated with dark metallic red, spherical...
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    • Ajoite
      CSW1056144
      Ajoite
      New Cornelia Mine, Ajo, Pima County, Arizona, United States of America
      Size: 
      1.6 × 1.4 × 1.1 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with a vein lined with nice light blue ajoite crystals from the species Type Locality. A5
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    • Stilbite & Heulandite
      CSW1056150
      Stilbite & Heulandite
      Shapur, Madhya Pradesh, India
      Size: 
      11 × 10 × 9.5 cm
      Cabinet (10-18 cm)
      Description: 
      A beautiful combination of stilbite and heulandite crystals from a new find in a well excavation. The matrix consists of transparent orange...
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    • Fluorite & Chalcopyrite
      CSW1056142
      Fluorite & Chalcopyrite
      Seata Mine, Aysgarth, Wensleydale, North Yorkshire, United Kingdom
      Size: 
      9.5 × 5.8 × 2.7 cm
      Small cabinet (7-10 cm)
      Description: 
      A nice, double-sided specimen covered in cubic fluorite crystals with chalcopyrite inclusions and thin violet colour-zoning. Unusually, the...
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    • Baryte
      CSW1030106
      Baryte
      Cannington Park Quarry, Bridgewater, Somerset, United Kingdom
      Size: 
      4.5 × 3 × 2.1 cm
      Miniature (4.5-7 cm)
      Description: 
      A nice group of cockscomb baryte crystals from this seldom offered locality. L7
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    • Fluorite
      CSW1056148
      Fluorite
      Cowshill, Weardale, County Durham, United Kingdom
      Size: 
      2.7 × 2.5 × 2 cm
      Thumbnail (1-3cm)
      Description: 
      A lovely group of dark green fluorite crystals with nice green and violet phantoms/colour-zoning - an unusual colouration from the Cowshill...
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    • Fluorite & Chalcopyrite
      CSW1056123
      Fluorite & Chalcopyrite
      Gillheads Mine, Skyreholme, North Yorkshire, United Kingdom
      Size: 
      7 × 4.6 × 4 cm
      Small cabinet (7-10 cm)
      Description: 
      A nice group of large fluorite crystals to 3cm on edge. The crystals have chalcopyrite crystal inclusions and nice blue colour-zoning...
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    • Pyromorphite
      CSW1056129
      Pyromorphite
      Keeldrum Mine, County Donegal, Irish Republic (Eire)
      Size: 
      7.5 × 6 × 3 cm
      Small cabinet (7-10 cm)
      Description: 
      A nice specimen from this seldom offered locality consisting of quartz matrix coated with nice green, microcrystalline pyromorphite and a...
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    • Gyrolite & Thomsonite
      CSW1056124
      Gyrolite & Thomsonite
      Ljósá, Eysturoy Island, Faroe Islands, Denmark
      Size: 
      8.8 × 6.1 × 3.2 cm
      Small cabinet (7-10 cm)
      Description: 
      Basalt matrix with an amygdale lined with light grey thomsonite spheres with white platy gyrolite crystals. A3
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    • Anglesite
      CSW1056136
      Anglesite
      Tynagh Mine, Killimor, County Galway, Irish Republic (Eire)
      Size: 
      2 × 0.8 × 1 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with nice bright anglesite crystals. LC A3
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    • Orthoclase
      CSW1010155
      Orthoclase
      Tiffany Mine, Grant County, New Mexico, United States of America
      Size: 
      2.2 × 1.6 × 1.3 cm
      Thumbnail (1-3cm)
      Description: 
      A nice double terminated orthoclase crystal from an unusual New Mexico locality. L9
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    • Sulvanite Tangeite & Malachite
      CSW1051642
      Sulvanite Tangeite & Malachite
      Thorpe Hills, Mercur District, Tooele County, Utah, United States of America
      Size: 
      2 × 1.7 × 1.3 cm
      Thumbnail (1-3cm)
      Description: 
      Dark, metallic sultanate on white calcite matrix associated with yellow/green tangent and bright green malachite. A3
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    • Zircon
      CSW1056107
      Zircon
      St Peters Dome, Cheyenne District, El Paso County, Colorado, United States of America
      Size: 
      3.3 × 2.3 × 0.8 cm
      Small miniature (3-4.5 cm)
      Description: 
      Quartz matrix with inclusions of sherry brown topaz crystals. Under short wave UV light the zircon crystals produce a bright yellow...
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    • Fluorite & Baryte
      CSW1056126
      Fluorite & Baryte
      Underedge Level, Langthwaite, Arkengarthdale, North Yorkshire, United Kingdom
      Size: 
      4 × 3 × 3 cm
      Small miniature (3-4.5 cm)
      Description: 
      A nice classic Arkengarthdale combination of amber yellow fluorite crystals with white baryte crystals. LC A5
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    • Analcime & Calcite
      CSW1047226
      Analcime & Calcite
      Croft Quarry, Croft, Leicestershire, United Kingdom
      Size: 
      3.5 × 2.4 × 2.3 cm
      Small miniature (3-4.5 cm)
      Description: 
      A nice Croft Quarry specimen displaying lots of small bright analcime crystals with round hematite inclusions, associated with two...
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    • Calcite
      CSW1056122
      Calcite
      Clashgorm Mine, Strontian, Highland, Scotland, United Kingdom
      Size: 
      5.6 × 4.2 × 1.8 cm
      Miniature (4.5-7 cm)
      Description: 
      A nice group of calcite var schiefferspar crystals on matrix. Under short wave UV light the crystals produce a nice pastel orange/pink...
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    • Sphalerite & Siderite
      CSW1056146
      Sphalerite & Siderite
      Force Crag Mine, Coledale, Above Derwent, Cumbria, United Kingdom
      Size: 
      3.7 × 3.1 × 2 cm
      Small miniature (3-4.5 cm)
      Description: 
      A nice group of large, bright sphalerite crystals with small, golden brown siderite crystals. A5
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    • Mimetite
      CSW1056138
      Mimetite
      Balliway Rigg, Caldbeck, Cumbria, United Kingdom
      Size: 
      3.4 × 3 × 2.8 cm
      Small miniature (3-4.5 cm)
      Description: 
      Nice yellow seed-like mimetite crystals on matrix. A5
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    • Thomsonite & Chabazite-Ca
      CSW1011572
      Thomsonite & Chabazite-Ca
      Cam Quarry, Macosquin, County Londonderry, Northern Ireland, United Kingdom
      Size: 
      5.3 × 4 × 3.6 cm
      Miniature (4.5-7 cm)
      Description: 
      A very rare locality example of grey thomsonite spheres lining an amygdale in basalt matrix associated with colourless chabazite-Ca...
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    • Kutnohorite
      CSW1056117
      Kutnohorite
      Wessels Mine, Hotazel, Kalahari, Northern Cape Province, South Africa
      Size: 
      5.8 × 3.5 × 2.5 cm
      Miniature (4.5-7 cm)
      Description: 
      A group of pale pink kutnohorite crystals dating back to the 1980's with a harry Foy pasted label. Under short wave UV light the crystals...
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    • Prehnite Psm Laumontite & Apophyllite
      CSW1051653
      Prehnite Psm Laumontite & Apophyllite
      Malad Quarry, Mumbai, Maharashtra, India
      Size: 
      5 × 3 × 2.1 cm
      Miniature (4.5-7 cm)
      Description: 
      A beautiful example of pale green, prehnite crystal pseudomorphs after elongated laumontite crystals, with pseudo-cubic apophyllite...
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    Page 1 of 28 results