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Manganese Dendrites from
Case Quarries, Portland, Middlesex Co., Connecticut, USA

Locality type:Quarry
Classification
Species:Manganese Oxides var: Manganese Dendrites
Habit:dendritic coatings
Colour:black to dark brown
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Harold Moritz collection
Associated Minerals Based on Photo Data:
Beryl2 photos of Manganese Dendrites associated with Beryl at this locality.
Data
Mineral Data:Click here to view Manganese Dendrites data
Locality Data:Click here to view Case Quarries, Portland, Middlesex Co., Connecticut, USA
Nearest other occurrences of Manganese Dendrites
3.8km (2.4 miles) Strickland Quarry (Eureka Quarry), Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries), Collins Hill, Portland, Middlesex Co., Connecticut, USA
12.6km (7.8 miles) 2368-2384 Berlin Turnpike (Former Hartford Drive-In), Newington, Hartford Co., Connecticut, USA
14.2km (8.8 miles) Newington, Hartford Co., Connecticut, USA
20.0km (12.4 miles) Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex Co., Connecticut, USA
33.9km (21.1 miles) Huckleberry Hill, Avon, Hartford Co., Connecticut, USA
37.2km (23.1 miles) Roncari Quarry (Tilcon Quarry), East Granby, Hartford Co., Connecticut, USA
74.0km (46.0 miles) Loudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA
81.9km (50.9 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
92.1km (57.3 miles) Leverett, Franklin Co., Massachusetts, USA
98.9km (61.4 miles) Conklin Quarry, Lime Rock, Lincoln, Providence Co., Rhode Island, USA
 
Mineral and/or Locality  
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