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    Page 1 of 37 results.
    • Aegirine & Natrolite
      CSW218789
      Aegirine & Natrolite
      Mont Saint-Hilaire, Montérégie, Québec, Canada
      Size: 
      3 × 1.2 × 0.8 cm
      Small miniature (3-4.5 cm)
      Description: 
      Dark green prismatic aegirine crystals with a partial coverage of colourless natrolite crystals.
      Sold
    • Calcite
      CSW169340
      Calcite
      NChwaning II Mine, Kuruman, Kalahari, Northern Cape Province, South Africa
      Size: 
      6.5 × 5.2 × 4 cm
      Miniature (4.5-7 cm)
      Description: 
      This specimen shows a hematite core with a near total coverage of 2 generations of scalenohedral calcite crystals which show an attractive...
      Sold
    • Svabite
      CSW218804
      Svabite
      Långban, Filipstad, Värmland County, Sweden
      Size: 
      7.3 × 3 × 2.5 cm
      Small cabinet (7-10 cm)
      Description: 
      Matrix consisting of svabite and calcite which produce a bright orange colour under short wave uV light. There are also areas of an...
      Sold
    • Apachite & Gilalite
      CSW169385
      Apachite & Gilalite
      Christmas Mine, Banner District, Gila County, Arizona, United States of America
      Size: 
      2.1 × 1.7 × 1.6 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with one face showing an attractive combination of light blue apachite and light green gilalite micro crystal 'balls' from the Type...
      Sold
    • Stilbite Laumontite & Epidote
      CSW139647
      Stilbite Laumontite & Epidote
      Tafelkop, Goboboseb, Brandberg, Dâures, Erongo Region, Namibia
      Size: 
      3.5 × 6 × 4.2 cm
      Miniature (4.5-7 cm)
      Description: 
      A rare zeolite specimen from an unusual locality showing orthoclase feldspar crystals with a rich coverage of tan coloured stilbite...
      Sold
    • Brochantite & Cerussite
      CSW501161
      Brochantite & Cerussite
      Red Gill Mine, Roughton Gill, Caldbeck, Cumbria, United Kingdom
      Size: 
      1.8 × 1.6 × 1.6 cm
      Thumbnail (1-3cm)
      Description: 
      Deep green clusters of brochantite crystals in association with white cerussite crystals from a classic Lake District mineral locality.
      Sold
    • Torbernite
      CSW165022
      Torbernite
      Gold Quarry Mine, Maggie Creek, Eureka County, Nevada, United States of America
      Size: 
      2.3 × 1.8 × 0.7 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix showing a number of clusters of green tobernite crystals.
      Sold
    • Trolleite Lazulite & Rutile
      CSW504285
      Trolleite Lazulite & Rutile
      Hålsjöberg, Torsby, Värmland County, Sweden
      Size: 
      4.2 × 4.2 × 1.6 cm
      Small miniature (3-4.5 cm)
      Description: 
      A nice locality specimen consisting mostly of light blue/ green trolleite with dark blue lazulite and mettalic red/ brown rutile.
      Sold
    • Natrolite
      CSW169351
      Natrolite
      Upper New Street Quarry, Paterson, Passaic County, New Jersey, United States of America
      Size: 
      3 × 5.5 × 3.5 cm
      Miniature (4.5-7 cm)
      Description: 
      A dense mass of radial sprays of colourless prismatic natrolite crystals from this classic New Jersey locality.
      Sold
    • Rosasite
      CSW169391
      Rosasite
      Christmas Mine, Banner District, Gila County, Arizona, United States of America
      Size: 
      2.6 × 1.6 × 0.8 cm
      Thumbnail (1-3cm)
      Description: 
      Quartz matrix with nice blue/ green rosasite ball's.
      Sold
    • Strashimirite
      CSW169331
      Strashimirite
      Majuba Hill Mine, Antelope, Pershing County, Nevada, United States of America
      Size: 
      1.8 × 1.8 × 1.2 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with areas of light blue acicular strashimirite crystals in association with dark green cornwallite.
      Sold
    • Cacoxenite
      CSW169243
      Cacoxenite
      Leveäniemi Mine, Svappavaara, Kiruna, Norrbotten County, Sweden
      Size: 
      1.3 × 1 × 2.1 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix showing golden yellow, radial cacoxenite crystal clusters from a classic Swedish phosphate locality.
      Buy now price:
      £8
      Sold
      Reserved
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    • Topaz & Bixbyite
      CSW169335
      Topaz & Bixbyite
      Topaz Mountain, Thomas Range, Juab County, Utah, United States of America
      Size: 
      1.2 × 1 × 1 cm
      Thumbnail (1-3cm)
      Description: 
      A nice central terminated topaz crystal surrounded by dark grey partial bixbyite crystals.
      Sold
    • Bayldonite & Mimetite
      CSW169218
      Bayldonite & Mimetite
      Penberthy Croft Mine, St Hilary, Cornwall, United Kingdom
      Size: 
      1.6 × 1.6 × 0.8 cm
      Thumbnail (1-3cm)
      Description: 
      Quartz matrix with deep green bayldonite 'ball's from the species type locality in association with colourless mimetite crystals and dark...
      Sold
    • Fluorite
      CSW169326
      Fluorite
      Gelbe Birke Mine, Beierfeld, Grünhain-Beierfeld, Erzgebirge, Saxony, Germany
      Size: 
      3.6 × 6 × 2.5 cm
      Miniature (4.5-7 cm)
      Description: 
      A rare locality specimen showing octahedral fluorite crystals to 1cm, mostly colourless but with partial violet colouring.
      Sold
    • Gmelinite-Na
      CSW504237
      Gmelinite-Na
      Magheramorne Quarry, Larne, County Antrim, Northern Ireland, United Kingdom
      Size: 
      4.5 × 3.7 × 3 cm
      Miniature (4.5-7 cm)
      Description: 
      Basalt matrix with amygdale lined with unusual colourless gmelinite-Na crystals displaying a sceptre crystal habit.
      Sold
    • Gismondine Thomsonite & Chabazite
      CSW169403
      Gismondine Thomsonite & Chabazite
      Craighill Quarry, Ballyclare, County Antrim, Northern Ireland, United Kingdom
      Size: 
      3.5 × 3.5 × 1.5 cm
      Small miniature (3-4.5 cm)
      Description: 
      Basalt matrix with 2 amygdales, one containing a rare cluster of white gismondine crystals in association with light brown thomsonite...
      Sold
    • Clinochlore & Albite
      CSW501162
      Clinochlore & Albite
      Adra, Almería, Andalusia, Spain
      Size: 
      2.7 × 1.8 × 1 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with deep blue/ green platy clinochlore crystals in association with white albite crystals.
      Sold
    • Agardite-(Nd)
      CSW169347
      Agardite-(Nd)
      Big 3 Mine, Railroad Springs, Esmeralda County, Nevada, United States of America
      Size: 
      3.8 × 2.5 × 1.5 cm
      Small miniature (3-4.5 cm)
      Description: 
      Matrix with light blue crusts and crystals of agardite-Nd from a rarely offered Nevada locale.
      Sold
    • Azurite & Mimetite
      CSW504325
      Azurite & Mimetite
      Tynagh Mine, Killimor, County Galway, Irish Republic (Eire)
      Size: 
      2.6 × 2.4 × 1.8 cm
      Thumbnail (1-3cm)
      Description: 
      Baryte matrix with vugs lined with deep blue azurite crystals. Also present on the specimen are lime green clusters of micro mimetite...
      Sold
    • Spinel
      CSW504259
      Spinel
      Monte Somma, Vesuvius, Campania, Italy
      Size: 
      2.1 × 2.1 × 2 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with vugs containing jet black, octahedral micro spinel crystals in association with colourless calcite crystals.
      Sold
    • Analcime
      CSW169404
      Analcime
      Little Deerpark Quarry, Glenarm, County Antrim, Northern Ireland, United Kingdom
      Size: 
      4.5 × 3.5 × 2.2 cm
      Miniature (4.5-7 cm)
      Description: 
      This specimen shows basalt matrix with a number of amygdales containing rare examples of colourless radial analcime crystals. Other...
      Sold
    • Hyalite Opal
      CSW169684
      Hyalite Opal
      Gold Quarry Mine, Maggie Creek, Eureka County, Nevada, United States of America
      Size: 
      2.7 × 2.8 × 0.9 cm
      Thumbnail (1-3cm)
      Description: 
      Matrix with a rare example of bubbly hyalite opal from this classic Nevada locality.
      Sold
    • Brochantite
      CSW187324
      Brochantite
      Tsumeb Mine, Otavi Highlands, Namibia
      Size: 
      6.8 × 5 × 1.3 cm
      Miniature (4.5-7 cm)
      Description: 
      Cuprite matrix with vugs lined with deep green prismatic brochantite crystals.
      Sold
    • Azurite
      CSW169239
      Azurite
      Milpillas Mine, Cuitaca, Santa Cruz Municipality, Sonora, Mexico
      Size: 
      1.7 × 1.2 × 0.6 cm
      Thumbnail (1-3cm)
      Description: 
      An attractive deep blue azurite crystal to 1.7cm from the famous Milpillas locality.
      Sold
    • Lévyne & Phillipsite
      CSW504243
      Lévyne & Phillipsite
      Dunserverick, Bushmills, County Antrim, Northern Ireland, United Kingdom
      Size: 
      4.5 × 2.5 × 1.5 cm
      Miniature (4.5-7 cm)
      Description: 
      Basalt matrix with amygdales containing colourless levyne crystals and unusual milky white, curved phillipsite crystals.
      Sold
    • Ludlockite & Nealite
      CSW504291
      Ludlockite & Nealite
      Thorikos Slag Locality, Thorikos, Lavrion District, Attiki Prefecture, Greece
      Size: 
      3.8 × 1.8 × 1.3 cm
      Small miniature (3-4.5 cm)
      Description: 
      Matrix with vugs lined with golden brown acicular ludlockite micro crystals and golden yellow nealite crystals.
      Sold
    • Sphalerite & Calcite
      CSW218802
      Sphalerite & Calcite
      Hasselhojden, Grythyttan, Hällefors, Örebro County, Sweden
      Size: 
      6 × 4 × 2.5 cm
      Miniature (4.5-7 cm)
      Description: 
      This specimen consists of calcite and sphalerite. Under short wave UV light the sphalerite produces a bright yellow colour and the calcite...
      Sold
    • Garronite & Cowlesite
      CSW169405
      Garronite & Cowlesite
      Glenariff Valley, Garron Plateau, County Antrim, Northern Ireland, United Kingdom
      Size: 
      6 × 5 × 3.5 cm
      Miniature (4.5-7 cm)
      Description: 
      Basalt matrix with a number of amygdales containing white radial garronite from the species type locality. Another amygdale containing...
      Sold
    • Cuprian Adamite
      CSW169245
      Cuprian Adamite
      Ojuela Mine, Mapimi, Durango, Mexico
      Size: 
      3 × 2.5 × 1.7 cm
      Small miniature (3-4.5 cm)
      Description: 
      Limonite matrix with a nice coverage of attractive green cuprian adamite crystals from a January 2014 find at the Ojuela Mine.
      Sold
    Page 1 of 37 results