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Smoky Quartz from
Foggintor Quarry, Princetown, Dartmoor Forest, West Devon, Devon, England, UK


Locality type:Quarry
Classification
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
Validity:Believed Valid
Data
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
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
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
Reference Search (possible matching items)
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 DartmoorDevon, 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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