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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Magnetite from
Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA


05939070017372312469864.jpg
Magnetite, etc.

Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
08267590017272052125445.jpg
Magnetite

Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
05939070017372312469864.jpg
Magnetite, etc.

Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
08267590017272052125445.jpg
Magnetite

Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
05939070017372312469864.jpg
Magnetite, etc.

Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
08267590017272052125445.jpg
Magnetite

Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
Locality type:Outcrop
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Comments:Sharp crystals to 0.5 inch in chlorite schist, others scattered in gray gneiss.
Habit:octahedral
Abundance at site:Rare
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Anthophyllite1
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Amphibole-tourmaline-magnetite locality, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:920477
Long-form Identifier:1:3:920477:5
GUID (UUID V4):0
Nearest other occurrences of Magnetite
1.3km (0.8 miles) ⓘAnderson No. 1 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘTidewater feldspar quarry, Haddam Neck, Haddam, Middlesex County, Connecticut, USA
1.8km (1.1 miles) ⓘHaddam Volunteer Fire Station, Higganum, Haddam, Middlesex County, Connecticut, USA
2.2km (1.3 miles) ⓘMagnetite occurrences, Higganum, Haddam, Middlesex County, Connecticut, USA
2.2km (1.4 miles) ⓘForest Ridge Road, Higganum, Haddam, Middlesex County, Connecticut, USA
2.8km (1.8 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.6km (2.9 miles) ⓘTimms Hill (Tim's Hill; Iolite Hill), Haddam, Middlesex County, Connecticut, USA
4.7km (2.9 miles) ⓘState Route 9 and State Route 81 Interchange, Higganum, Haddam, Middlesex County, Connecticut, USA
4.9km (3.0 miles) ⓘArnold Granite Quarry (General Brainerd Quarry; Great Hill Quarry; Hazelton Quarry; Haddam Quarry; Brookes Quarry), Haddam, Middlesex County, Connecticut, USA
5.2km (3.2 miles) ⓘMagnetite locality, Haddam, Middlesex County, Connecticut, USA
References
Schooner, Richard. (circa 1985), Untitled manuscript on central Connecticut mineralogy.
 
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