Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Goethite from
Sulfur Spring (Sulphur Spring), Haddam, Middlesex County, Connecticut, USA


07555320017378312297161.jpg
Goethite, etc.

Sulfur Spring, Haddam, Middlesex County, Connecticut, USA
07555320017378312297161.jpg
Goethite, etc.

Sulfur Spring, Haddam, Middlesex County, Connecticut, USA
06134160017272020283245.jpg
Goethite, etc.

Sulfur Spring, Haddam, Middlesex County, Connecticut, USA
Locality type:Spring
Classification
Species:Goethite
Formula:Fe3+O(OH)
Comments:Forming bog iron ore encrusting plant debris.
Habit:massive
Colour:brown
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite1
Data
Mineral Data:Click here to view Goethite data
Locality Data:Click here to view Sulfur Spring (Sulphur Spring), Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:770753
Long-form Identifier:1:3:770753:7
GUID (UUID V4):0
Nearest other occurrences of Goethite
0.8km (0.5 miles) ⓘJail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
2.7km (1.7 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.3km (2.6 miles) ⓘRock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
11.9km (7.4 miles) ⓘRiverside Quarry (Western Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
12.0km (7.4 miles) ⓘ"Foothold Cleft", Airline Railroad, East Hampton, Middlesex County, Connecticut, USA
12.0km (7.5 miles) ⓘState Forest Quarry No. 2, Cobalt, East Hampton, Middlesex County, Connecticut, USA
12.2km (7.6 miles) ⓘGreat Hill cobalt mines, Cobalt, East Hampton, Middlesex County, Connecticut, USA
13.9km (8.6 miles) ⓘNathan Hall Quarry, East Hampton, Middlesex County, Connecticut, USA
14.1km (8.8 miles) ⓘState Forest Quarry No. 1, East Hampton, Middlesex County, Connecticut, USA
14.8km (9.2 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
References
Williams, Horace S. (circa 1945): Article for New York Society of Mineralogists. Brainerd Public Library, Haddam, Connecticut.
 
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