Locality type: | Quarry |
Classification |
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Species: | Montmorillonite |
Formula: | (Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2 · nH2O |
Confirmation |
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Validity: | Believed Valid |
Data |
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Mineral Data: | Click here to view Montmorillonite data |
Locality Data: | Click here to view Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA |
Data Identifiers |
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Mindat Occurrence Record ID: | 130907 |
Long-form Identifier: | 1:3:130907:2 |
GUID (UUID V4): | dda67b07-6922-41e7-bec7-fc175bb47943 |
Nearest other occurrences of Montmorillonite |
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46.7km (29.0 miles) | ⓘKent Iron Mine (Limonite mine), Kent, Litchfield County, Connecticut, USA |
56.9km (35.4 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
79.3km (49.3 miles) | ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA |
80.4km (50.0 miles) | ⓘWalden Gem Quarry, Portland, Middlesex County, Connecticut, USA |
80.8km (50.2 miles) | ⓘAndrews Quarry (old Hale Quarry; Grandfather Andrews Quarry), Portland, Middlesex County, Connecticut, USA |
80.8km (50.2 miles) | ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA |
81.4km (50.6 miles) | ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA |
References |
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