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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Beryl from
Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA


00561850017371327667799.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
05990330017367962783515.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
04595720017371327663512.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
00914000017371327678289.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
01606590017364434238577.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
05990330017367962783515.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
04595720017371327663512.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
00914000017371327678289.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
07548200017272301173008.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
08466570017371327675146.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
04852670017371327681867.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
01030030017371327698751.jpg
Beryl, etc.

Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
Locality type:Outcrop
Classification
Species:Beryl
Formula:Be3Al2(Si6O18)
Comments:Shepard (1837 writes: "crystals sometimes five or six inches in diameter, occasionally occur. They have a greenish yellow color, sometimes passing into wax-yellow; and are frequently penetrated by crystals of chrysoberyl."
Habit:elongated prisms
Colour:green, greenish-yellow to wax-yellow
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite5
Quartz5
- var Smoky Quartz2
Chrysoberyl4
Spessartine3
Fahlunite2
Columbite-(Fe)2
Data
Mineral Data:Click here to view Beryl data
Locality Data:Click here to view Chrysoberyl locality, Haddam, Middlesex County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:660291
Long-form Identifier:1:3:660291:8
GUID (UUID V4):0
Nearest other occurrences of Beryl
0.3km (0.2 miles) ⓘHill above the parsonage (unnamed feldspar quarry), Haddam, Middlesex County, Connecticut, USA
0.6km (0.4 miles) ⓘThulite locality, Haddam, Middlesex County, Connecticut, USA
0.8km (0.5 miles) ⓘKelsey prospect (Parmalee farm), Haddam, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘQuarry Hill (Brainerd Quarries; Shailor Quarries), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.8km (1.1 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
2.0km (1.2 miles) ⓘConnecticut Yankee atomic power plant, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘLong-lot Quarry, Haddam, Middlesex County, Connecticut, USA
2.6km (1.6 miles) ⓘGulf Quarry, Haddam, Middlesex County, Connecticut, USA
2.8km (1.7 miles) ⓘRock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
References
Shepard, Charles Upham (1837) A Report on the Geological Survey of Connecticut. Geological Survey of Connecticut.
Schooner (1958)
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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