Locality type: | Quarry |
Classification |
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Species: | Pyrolusite |
Formula: | Mn4+O2 |
Comments: | No pyrolusite dendrite or staining in a granite pegmatite in the world has been verified as pyrolusite. The name was a mistake in the nineteenth century which has been widely publicized. |
Confirmation |
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Validity: | Erroneously Reported |
Data |
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Mineral Data: | Click here to view Pyrolusite data |
Locality Data: | Click here to view Hale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 96326 |
Long-form Identifier: | 1:3:96326:8 |
GUID (UUID V4): | 96cd143e-d022-4da6-a37c-16bdd455de4d |
Nearest other occurrences of Pyrolusite |
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0.3km (0.2 miles) | ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
1.1km (0.7 miles) | ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
1.2km (0.7 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
1.2km (0.7 miles) | ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
1.5km (1.0 miles) | ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA |
1.9km (1.2 miles) | ⓘHusband Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
4.1km (2.6 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
4.3km (2.7 miles) | ⓘSouth Glastonbury, Glastonbury, Hartford County, Connecticut, USA |
7.0km (4.3 miles) | ⓘGreat Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
7.2km (4.5 miles) | ⓘState Forest Quarry No. 2 (State Forest #2 Mica Mine; Carini Quarry), Cobalt, East Hampton (Chatham), Middlesex County, Connecticut, USA |
References |
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