Locality type: | Quarry |
Classification |
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Species: | Quartz var: Smoky Quartz |
Formula: | SiO2 |
Comments: | Protruding into or traversing miarolitic pockets in tourmaline veins in the granite, these dark quartz crystals are associated with some traces of radioactive residues.
They are minerallogically significant only in being indicative of high levels of uranium mineralisation at some earlier time. |
Habit: | Prismatic to 2.5mm across. Terminations rare. |
Colour: | Dark brown; grey; almost black |
Quality for species: | Poor for species, only of interest for locality collectors. (#) |
Abundance at site: | Rare |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Smoky Quartz data |
Locality Data: | Click here to view Foggintor Quarry, Princetown, Dartmoor Forest, West Devon, Devon, England, UK |
Data Identifiers |
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Mindat Occurrence Record ID: | 1103264 |
Long-form Identifier: | 1:3:1103264:3 |
GUID (UUID V4): | af986000-7d7a-41ad-91d4-fa5cc5db4f0d |
Nearest other occurrences of Smoky Quartz |
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15.8km (9.8 miles) | ⓘHingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK |
16.3km (10.1 miles) | ⓘWheal Emma, West Buckfastleigh, Teignbridge, Devon, England, UK |
37.8km (23.5 miles) | ⓘWheal Bray, Altarnun, Cornwall, England, UK |
52.6km (32.7 miles) | ⓘColcerrow Quarry (Gready Quarry), Lanlivery, Cornwall, England, UK |
55.0km (34.2 miles) | ⓘBodelva Pit (Carvear China Clay Works), Bodelva, St Blaise, Cornwall, England, UK |
57.9km (36.0 miles) | ⓘGoonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK |
58.4km (36.3 miles) | ⓘGunheath China Clay Pit, Stenalees, Treverbyn, Cornwall, England, UK |
66.0km (41.0 miles) | ⓘWheal Remfry China Clay Pit, Fraddon, St Enoder, Cornwall, England, UK |
66.5km (41.4 miles) | ⓘSouth Terras Mine (Resugga & Tolgarrick Mine; Union Mine; Uranium Mine), St Stephen-in-Brannel, Cornwall, England, UK |
83.3km (51.8 miles) | ⓘVC Quarry, Isle of Lundy, Torridge, Devon, England, UK |
References |
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Reference Search (possible matching items) |
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| | Journal (issue) | GET FOOLED WHILE GOLD PANNING Weird & Wonderful Quartz HANDLE WITH CARE! Radioactive Rocks & Minerals...interestingly, it’s filtered through Herkimer diamonds (quartz). Now that caught my attention! Thoughts of fall...lower levels of the Budleigh Salterton beds in Devon, United Kingdom. Invariably radioactive, these nodules...distinctly under long-wave UV light. From Foggintor Quarry in Dartmoor—Devon, United Kingdom. Photo courtesy of...that it is radioactive.” Based in Holsworthy, England, Rowan is also a former radiation safety worker |
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