Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Chalk from
Pinner Chalk Mine, Harrow, Greater London, England, UK


Locality type:Mine
Classification
Type:Chalk
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalk data
Locality Data:Click here to view Pinner Chalk Mine, Harrow, Greater London, England, UK
Data Identifiers
Mindat Occurrence Record ID:1334231
Long-form Identifier:1:3:1334231:3
GUID (UUID V4):0
Nearest other occurrences of Chalk
16.2km (10.1 miles) ⓘWhite End Park Farm, Latimer and Ley Hill, Buckinghamshire, England, UK
28.9km (17.9 miles) ⓘHellfire Caves (West Wycombe Caves), West Wycombe, Buckinghamshire, England, UK
29.2km (18.2 miles) ⓘPitstone Quarry 2, Pitstone, Aylesbury Vale, Buckinghamshire, England, UK
29.8km (18.5 miles) ⓘCollege Lake chalk pit, Marsworth, Buckinghamshire, England, UK
30.0km (18.6 miles) ⓘPitstone Quarry SSSI, Marsworth, Buckinghamshire, England, UK
30.5km (18.9 miles) ⓘPitstone Quarry 3, Marsworth, Buckinghamshire, England, UK
38.2km (23.8 miles) ⓘRiddlesdown Quarry, Croydon, Greater London, England, UK
50.7km (31.5 miles) ⓘEastern Quarry, Dartford, Kent, England, UK
50.8km (31.6 miles) ⓘAshwell Quarry, Hertfordshire, England, UK
96.4km (59.9 miles) ⓘNewhaven Cliffs (Fort Hill), Newhaven, Lewes, East Sussex, England, UK
References
www.alpertonhistory.info (2015) https://www.alpertonhistory.info/pinner-chalk-mine/
 
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