Foitite from
Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA
Locality type: | Quarry | |
Classification | ||
---|---|---|
Species: | Foitite | |
Formula: | ◻(Fe22+Al)Al6(Si6O18)(BO3)3(OH)3(OH) | |
Comments: | Tested by Raman spectroscopy at the University of New Haven, spectrum was weak but consistent with foitite. Thin masses interstitial within microcline/quartz graphic granite, unusual as that association is typically barren of interesting minerals. Follow up: 2021 EDS analysis by Al Falster at Maine Mineral & Gem Museum indicates a member of the elbaite - schorl series. | |
Habit: | massive material, skeletal/interstitial in graphic granite | |
Colour: | black | |
Quality for species: | Poor for species, only of interest for locality collectors. (#) | |
Abundance at site: | Extremely Rare | |
Confirmation | ||
Validity: | Erroneously Reported | |
Data | ||
Mineral Data: | Click here to view Foitite data | |
Locality Data: | Click here to view Nathan Hall Quarry (Clark Hill Quarry), East Hampton (Chatham), Middlesex County, Connecticut, USA | |
Data Identifiers | ||
Mindat Occurrence Record ID: | 819794 | |
Long-form Identifier: | 1:3:819794:8 | |
GUID (UUID V4): | dea9d6f9-584a-456b-8264-82ee691c35cd | |
Nearest other occurrences of Foitite | ||
4.3km (2.7 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA | |
References | ||