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Chrysocolla from
Roncari Quarry, East Granby, Hartford County, Connecticut, USA


02809080017406278949476.jpg
Chrysocolla, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
01916620017368891908820.jpg
Chrysocolla, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
02809080017406278949476.jpg
Chrysocolla, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
05592000017272024527583.jpg
Chrysocolla, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
01576030017401947054411.jpg
Chrysocolla, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
05592000017272024527583.jpg
Chrysocolla, etc.

Roncari Quarry, East Granby, Hartford County, Connecticut, USA
Locality type:Quarry
Classification
Species:Chrysocolla
Formula:Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1
Formation:Secondary
Comments:Mostly as secondary coatings with malachite in rare places where copper minerals occur.
Habit:coatings
Colour:pale blue
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite2
Malachite2
Quartz1
Data
Mineral Data:Click here to view Chrysocolla data
Locality Data:Click here to view Roncari Quarry, East Granby, Hartford County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:559064
Long-form Identifier:1:3:559064:3
GUID (UUID V4):0
Nearest other occurrences of Chrysocolla
2.7km (1.7 miles) ⓘNew-Gate Copper Mine (Old New-Gate Prison), Simsbury Mines, East Granby, Hartford County, Connecticut, USA
11.8km (7.3 miles) ⓘK-F Quarry (Kelsey-Ferguson Quarry), Suffield, Hartford County, Connecticut, USA
20.7km (12.8 miles) ⓘLane & Son traprock quarries (Lane's Quarry), Westfield, Hampden County, Massachusetts, USA
24.5km (15.2 miles) ⓘState Route 4 road cut, Farmington, Hartford County, Connecticut, USA
26.8km (16.7 miles) ⓘBaryte locality, Somers, Tolland County, Connecticut, USA
27.0km (16.8 miles) ⓘArute Field, New Britain, Hartford County, Connecticut, USA
27.1km (16.9 miles) ⓘTomasso Quarry, Farmington, Hartford County, Connecticut, USA
28.7km (17.8 miles) ⓘBristol Copper Mine, Bristol, Hartford County, Connecticut, USA
31.2km (19.4 miles) ⓘPlainville Trap Rock Quarry (Tilcon New Britain Quarry), Plainville, Hartford County, Connecticut, USA
38.2km (23.7 miles) ⓘLoudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire County, Massachusetts, USA
References
Cristofono, Peter (n.d.) Personal communication.
Walter, Michael R.; Dixon, Kevin (2026) Minerals from the Roncari Quarry, East Granby, Hartford County, Connecticut. Rocks & Minerals, 101 (2). doi:10.1080/00357529.2026.2581546
 
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