| Locality type: | Road Cutting |
| Classification |
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| Species: | Muscovite |
| Formula: | KAl2(AlSi3O10)(OH)2 |
| Comments: | magnetite as small octahedrons and massive byssolite which also is in quartz veins and is rather attractive in the veins. |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Muscovite data |
| Locality Data: | Click here to view U.S 40 Roadcut, Catoctin Mt, Myersville, Frederick County, Maryland, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 71106 |
| Long-form Identifier: | 1:3:71106:3 |
| GUID (UUID V4): | 981402f9-ccd1-449c-9da6-cc919966c230 |
| Nearest other occurrences of Muscovite |
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| 20.5km (12.7 miles) | ⓘNew London Mine (Linganore Mine), New London, Frederick County, Maryland, USA |
| 30.1km (18.7 miles) | ⓘUnion Bridge Quarry & Cement Plant (Lehigh Portland Cement Company; Union Bridge Shale Pit), Union Bridge, Carroll County, Maryland, USA |
| 37.1km (23.1 miles) | ⓘEtchison Mine, Montgomery County, Maryland, USA |
| 39.2km (24.3 miles) | ⓘTeeter Quarry (Teeters Quarry; Valley Quarry; John S. Teeter and Sons Co. Quarry; Gettysburg Quarry; H.T. Campbell's Teeter's Quarry), Gettysburg, Adams County, Pennsylvania, USA |
| 48.2km (29.9 miles) | ⓘHunting Hill Quarry, Rockville, Montgomery County, Maryland, USA |
| 49.0km (30.5 miles) | ⓘMineral Hill Mine, Louisville, Carroll County, Maryland, USA |
| 51.9km (32.2 miles) | ⓘHenryton, Carroll County, Maryland, USA |
| 51.9km (32.3 miles) | ⓘHenryton Pegmatite prospect, Henryton, Carroll County, Maryland, USA |
| 52.3km (32.5 miles) | ⓘDevries Quarry No. 1, Henryton, Carroll County, Maryland, USA |
| 53.0km (32.9 miles) | ⓘBrighton Dam Road Quarry (Howard-Montgomery Quarry), Howard County, Maryland, USA |
| References |
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