| Locality type: | Point |
| Classification |
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| Species: | Pumpellyite-(Mg) |
| Formula: | Ca2MgAl2(Si2O7)(SiO4)(OH)2 · H2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Pumpellyite-(Mg) data |
| Locality Data: | Click here to view Great Penhaver Point, Gorran Haven, St Goran, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 8948 |
| Long-form Identifier: | 1:3:8948:7 |
| GUID (UUID V4): | 7a380998-bbba-401b-94d3-912c83df4adc |
| Nearest other occurrences of Pumpellyite-(Mg) |
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| 56.3km (35.0 miles) | ⓘPenlee Quarry, Newlyn, Penzance, Cornwall, England, UK |
| References |
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| Reference Search (possible matching items) |
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 | | Report (issue) | | Pumpellyite-(Mg) Ca2MgAl2 (SiO4 )(Si2 O7)(OH)2 ² H2 O ° c 2001 Mineral Data Publishing, ver sion 1...1.2 Crystal Data: Monoclinic. Point Group: 2=m: Crystals bladed, typically elongated along [010]; in...100.97%, corresponds to 2+ (Ca 1:99 Na0:03 )§=2:02 (Mg 0:38 Fe3+ 0:32 Al 0: 22 Fe0:14 Mn 0:01 )§=1:07 Al...Group: Forms two series, with pumpellyite-(Fe2+ ); and with Pumpellyite group. Occurrence: A widespread...Scotland. At Great Penhaver Point, Roseland, and in the Penlee quarry, Newlyn, Cornwall, England. From Knipane |  | | Book | | House 50 Daniell Road Truro, Cornwall TR1 2DA England Printed in Great Britain by Short Run Press Ltd...that he knew of no place on earth that surpassed Cornwall in the number and variety of its minerals. Hogg's...is subtitled 'in wich [sic] is shown how much Cornwall contributes to the illustration of the science'...later by Collins' A Handbook to the Mineralogy of Cornwall and Devon' (1871; 1892 with addenda, the latter...mention Purser's 'Minerals and locations in S.W. England' (1974). The work was never published, although |
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