Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Allophane from
Hawkswood Mine (Hawk's Wood Mine), North Hill, Cornwall, England, UK


01507260017373918658646.jpg
Allophane

Hawkswood Mine, North Hill, Cornwall, England, UK
00083790017271996754563.jpg
Allophane

Hawkswood Mine, North Hill, Cornwall, England, UK
01507260017373918658646.jpg
Allophane

Hawkswood Mine, North Hill, Cornwall, England, UK
00083790017271996754563.jpg
Allophane

Hawkswood Mine, North Hill, Cornwall, England, UK
01507260017373918658646.jpg
Allophane

Hawkswood Mine, North Hill, Cornwall, England, UK
00083790017271996754563.jpg
Allophane

Hawkswood Mine, North Hill, Cornwall, England, UK
Locality type:Mine
Classification
Species:Allophane
Formula:(Al2O3)(SiO2)1.3-2 · 2.5-3H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Allophane data
Locality Data:Click here to view Hawkswood Mine (Hawk's Wood Mine), North Hill, Cornwall, England, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:421
Long-form Identifier:1:3:421:9
GUID (UUID V4):0
Nearest other occurrences of Allophane
3.6km (2.2 miles) ⓘPhoenix United Mine, Minions, Linkinhorne, Cornwall, England, UK
17.4km (10.8 miles) ⓘWatson's Mine, Devon Great Consols, Gulworthy, West Devon, Devon, England, UK
20.4km (12.7 miles) ⓘNew East Wheal Russell (South Wheal Crebor), Gulworthy, West Devon, Devon, England, UK
24.9km (15.5 miles) ⓘSouth Mine (Wheal Ann), Devon United Mines, Peter Tavy, West Devon, Devon, England, UK
27.1km (16.8 miles) ⓘNew Fowey Consols, Lanlivery, Cornwall, England, UK
29.6km (18.4 miles) ⓘPort Quin Mine, Port Quin, St Minver, Cornwall, England, UK
34.1km (21.2 miles) ⓘMeldon Mine, Okehampton Hamlets, West Devon, Devon, England, UK
50.8km (31.5 miles) ⓘBlackchurch cliff, Mouth Mill bay, Clovelly, Torridge, Devon, England, UK
52.2km (32.4 miles) ⓘGarras Mine (Gwarnick Mine; Guarneck Mine), Shortlanesend, Kenwyn, Cornwall, England, UK
63.2km (39.3 miles) ⓘVenn Quarry, Landkey, North Devon, Devon, England, UK
References
Golley, Peter, Williams, Richard (1995) Cornish Mineral Reference Manual. Endsleigh Book Co., Truro. 71pp.
 
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