Log In
Chamosite from
Mascot Mine, Gorham, Coos County, New Hampshire, USA
| Locality type: | Mine | |
| Classification | ||
|---|---|---|
| Species: | Chamosite | |
| Formula: | Fe52+Al(AlSi3O10)(OH)8 | |
| Comments: | Analyses by SEM-EDS at Excalibur Minerals (Tony Nickershir) and at the UNO lab (Jim Nazimoff & Al Falster). Most of the chamosite found here is as a rock-forming constituent of the country rock surrounding the fault vein deposit, where it is seen as typical flaky masses and veinlets; but it is also found as micro-crystals in vugs and on fracture seams in the ore rocks. | |
| Habit: | Micro-crystal spheres of tiny folia, which may be lightly scattered and easily distiguishable to densely packed forming crusts. | |
| Colour: | Medium to pale olive-green, trending into turbid grey. | |
| Luminescent properties: | none | |
| Quality for species: | Good crystals or rich for species - important (!) | |
| Abundance at site: | Rare | |
| Confirmation | ||
| Validity: | Believed Valid | |
| Associated Minerals Based on Photo Data: | ||
| Quartz | 8 | |
| Siderite | 7 | |
| Calcite | 2 | |
| Chalcopyrite | 2 | |
| Malachite | 1 | |
| Pyrite | 1 | |
| Sphalerite | 1 | |
| Data | ||
| Mineral Data: | Click here to view Chamosite data | |
| Locality Data: | Click here to view Mascot Mine, Gorham, Coos County, New Hampshire, USA | |
| Photo Gallery | View Gallery (7 photos) | |
| Data Identifiers | ||
| Mindat Occurrence Record ID: | 27965 | |
| Long-form Identifier: | 1:3:27965:5 | |
| GUID (UUID V4): | 0 | |
| Nearest other occurrences of Chamosite | ||
| 32.0km (19.9 miles) | ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA | |
| 33.1km (20.6 miles) | ⓘBumpus Quarry, Albany, Oxford County, Maine, USA | |
| 41.2km (25.6 miles) | ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA | |
| 42.8km (26.6 miles) | ⓘRedstone "Red Granite" quarry, Redstone, Conway, Carroll County, New Hampshire, USA | |
| 48.6km (30.2 miles) | ⓘA.C. Perham Quarry, West Paris, Oxford County, Maine, USA | |
| 57.8km (35.9 miles) | ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA | |
| 67.2km (41.7 miles) | ⓘBald Mountain, Ossipee, Carroll County, New Hampshire, USA | |
| 71.6km (44.5 miles) | ⓘHeath Quarry, Casco, Cumberland County, Maine, USA | |
| 88.5km (55.0 miles) | ⓘMount Cube, Orford, Grafton County, New Hampshire, USA | |
| 93.2km (57.9 miles) | ⓘRoute 11 road cuts, Gilford, Belknap County, New Hampshire, USA | |
| References | ||
Mascot Mine, Gorham, Coos County, New Hampshire, USA