Jacobsite from
Jail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
| Classification | ||
|---|---|---|
| Species: | Jacobsite | |
| Formula: | Mn2+Fe23+O4 | |
| Comments: | "Specimens of tephroite from the Jail Hill quarry contain magnetic grains, shown (by X-ray and microprobe study at the University of Michigan) to be jacobsite. The material ranges from ferroan jacobsite to manganoan magnetite, within individual grains. A few specimens show it rather abundantly." Specimens are in the Harvard Mineralogical Museum. | |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) | |
| Abundance at site: | Rare | |
| Confirmation | ||
| Validity: | Confirmed | |
| Confirmation Methods: | XRD | |
| Associated Minerals Based on Photo Data: | ||
| Tephroite | β2 photos of Jacobsite associated with Tephroite at this locality. | |
| Hyalophane | β1 photo of Jacobsite associated with Hyalophane at this locality. | |
| Data | ||
| Mineral Data: | Click here to view Jacobsite data | |
| Locality Data: | Click here to view Jail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA | |
| Photo Gallery | View Gallery (2 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 130241 | |
| Long-form Identifier: | 1:3:130241:7 | |
| GUID (UUID V4): | 60ac2997-7ab1-4f20-a1a7-08113c6a70ee | |
| References | ||
Jail Hill Road locality, Haddam, Middlesex County, Connecticut, USA