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Analcime : Na2[Al2Si4O12] · 2H2O | |
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Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK White crystals with clear Calcite. Photo from SMLS slide library. |
| Photo ID: 2 View Count: 727 | |
Analcime : Na2[Al2Si4O12] · 2H2O, Calcite : CaCO3 | |
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Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK Single large white part trapezohedron of analcite (4cm) with small gemmy honey coloured modified calcite rhombs.Location; Dene Quarry, St Keverne, Cornwall.N.Talbott label - Collected by Rev. VAD Holyer Acqud. January 1983 - Cat.No.836. |
| © 2002 Thames Valley Minerals | Photo ID: 4896 View Count: 467 |
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Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK Analcime with Natrolite. Specimen size 7x6cm. Photo and collection Jorge M. Alves |
| © Jorge M. Alves | Photo ID: 98506 View Count: 161 |
Analcime : Na2[Al2Si4O12] · 2H2O | |
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Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK The crystal is a snowy white trapezohedron implanted on matrix. The crystal is not complete because the back side is a contact, but its faces are perfectly defined. Not so common locality for this Analcime. Dean Quarry, St. Keverne, Lizard Peninsula, Cornwall, England, United Kingdom. Specimen size: 4.8 x 3.1 x 3.1 cm Fluorescence short ... |
| © fabreminerals.com | Photo ID: 110798 View Count: 127 |
Calcite : CaCO3 | |
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Dean Quarry, St Keverne, Lizard Peninsula, Cornwall, England, UK Rhombohedral calcite crystals to 20mm. Ian Jones collection, collected 1985 |
| © Ian Jones | Photo ID: 11626 View Count: 357 |
Chalcedony | |
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Pedn Boar Point, Coverack, St Keverne, Lizard Peninsula, Cornwall, England, UK Chalcedony, area 30x20mm. Ian Jones collection, ex Nick Talbot collection, collected 1982. |
| © Ian Jones | Photo ID: 9621 View Count: 395 |
Copper : Cu, Chrysocolla : (Cu,Al)2H2Si2O5(OH)4·nH2O | |
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Williams Stone Quarry (Trevassack Quarry), Goonhilly Downs, Mawgan-in-Meneage, Lizard Peninsula, Cornwall, England, UK Partly crystallized copper wire, with chrysocolla on serpentinite. Field height: 2.5 cm. Collected by myself in June 2002. P Haas photograph and collection (no. 11-010). |
| © Peter Haas | Photo ID: 11723 View Count: 384 |
Copper : Cu, Cuprite : Cu2O, Serpentine Group : D2[Si2O5](OH)4 + or - nH2O | |
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Williams Stone Quarry (Trevassack Quarry), Goonhilly Downs, Mawgan-in-Meneage, Lizard Peninsula, Cornwall, England, UK Copper wires, partially altered to cuprite and embedded in a serpentine group mineral. Specimen size: 5 x 2.5 x 1.5 cm. Collected by myself in April 2003. P Haas photograph and collection (no. 11-012). |
| © Peter Haas | Photo ID: 19493 View Count: 372 |
Copper : Cu, Chrysocolla : (Cu,Al)2H2Si2O5(OH)4·nH2O | |
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Williams Stone Quarry (Trevassack Quarry), Goonhilly Downs, Mawgan-in-Meneage, Lizard Peninsula, Cornwall, England, UK Partly crystallized copper wires embedded in chrysocolla. Field width: 6.5 cm. Collected by myself in June 2002. P Haas photograph and collection (no. 11-009). |
| © Peter Haas | Photo ID: 11888 View Count: 291 |
Copper : Cu | |
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Wheal Unity (Trenance Mine; Ghostcroft Mine), Mullion, Lizard Peninsula, Cornwall, England, UK A "fern" copper from the Ghostcroft Mine. 6.5 x 4.0 x 0.2 cm. Henry Minot photo & collection. |
| © Henry Minot 2009 | Photo ID: 255224 View Count: 20 |
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