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Halloysite from
Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA


04636530017367272951123.jpg
Halloysite, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
04636530017367272951123.jpg
Halloysite, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
02396600017367272979479.jpg
Halloysite, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Locality type:Quarry
Classification
Species:Halloysite
Formula:Al2Si2O5(OH)4 · n(H2O)
Comments:Alteration of pollucite, so occurs as thin crusts and veins with elbaite, pollucite, cleavelandite.
Habit:earthy to waxy masses
Colour:tan
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:XRD
Associated Minerals Based on Photo Data:
Pollucite3
Elbaite2
Albite2
- var Cleavelandite2
Data
Mineral Data:Click here to view Halloysite data
Locality Data:Click here to view Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:1016752
Long-form Identifier:1:3:1016752:6
GUID (UUID V4):0
Nearest other occurrences of Halloysite
3.0km (1.8 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
81.8km (50.8 miles) ⓘSalisbury Mine (Brookpit; Old Hill Mine; Ore Hill Mine), Salisbury, Litchfield County, Connecticut, USA
82.9km (51.5 miles) ⓘScoville Mine, Salisbury, Litchfield County, Connecticut, USA
96.6km (60.0 miles) ⓘBarrus farm pegmatite localities, Goshen, Hampshire County, Massachusetts, USA
References
Wesleyan University collection
Schooner, Richard. (circa 1980s), Untitled manuscript on central Connecticut mineralogy.
 
and/or  
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