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Rockbridgeite from
State Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA
| Classification | ||
|---|---|---|
| Species: | Rockbridgeite | |
| Formula: | (Fe2+0.5Fe3+0.5)2Fe33+(PO4)3(OH)5 | |
| Comments: | Mostly as thin crusts and stains in matrix near triphylite pods and as a black rind around the pods, associated with vivianite. "found intimately associated with vivianite where it occurs in small greenish black masses, and in stalactitic form with a radial fibrous structure. The surface of the incrustations are composed of indistinct microcrystallized individuals of rockbridgeite" Januzzi and Seaman (1976) | |
| Habit: | stains and encrustations | |
| Colour: | dark greenish-black to black | |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) | |
| Abundance at site: | Common | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Vivianite | 8 | |
| Albite | 4 | |
| Triphylite | 4 | |
| Ferroberaunite | 3 | |
| Muscovite | 2 | |
| Quartz | 1 | |
| Mitridatite | 1 | |
| Data | ||
| Mineral Data: | Click here to view Rockbridgeite data | |
| Locality Data: | Click here to view State Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA | |
| Photo Gallery | View Gallery (4 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 860449 | |
| Long-form Identifier: | 1:3:860449:1 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Rockbridgeite | ||
| 51.0km (31.7 miles) | ⓘState Forest Quarry No. 2, Cobalt, East Hampton, Middlesex County, Connecticut, USA | |
| References | ||
State Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA