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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Uraninite from
Jail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA


08161520017394588007592.jpg
Uraninite, etc.

Jail Hill Road locality, Haddam, Middlesex County, Connecticut, USA
08161520017394588007592.jpg
Uraninite, etc.

Jail Hill Road locality, Haddam, Middlesex County, Connecticut, USA
04862720017394588014425.jpg
Uraninite, etc.

Jail Hill Road locality, Haddam, Middlesex County, Connecticut, USA
Classification
Species:Uraninite
Formula:UO2
Comments:An accessory in the pegmatite.
Habit:octahedral
Colour:black
Abundance at site:Rare
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Autunite1
Muscovite1
Quartz1
Albite1
Data
Mineral Data:Click here to view Uraninite data
Locality Data:Click here to view Jail Hill Road locality (Jail Hill Quarry), Haddam, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:609090
Long-form Identifier:1:3:609090:6
GUID (UUID V4):0
Nearest other occurrences of Uraninite
1.4km (0.9 miles) ⓘCivilian Conservation Corps Quarry (CCC Quarry; Smith Quarry; Turkey Hill quarry lot), Haddam, Middlesex County, Connecticut, USA
1.5km (1.0 miles) ⓘCivilian Conservation Corps prospect (CCC prospect; Cook columbite prospect), Haddam, Middlesex County, Connecticut, USA
2.0km (1.3 miles) ⓘHewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
2.1km (1.3 miles) ⓘState Route 9 Interchange 13 - Beaver Meadow Road, Haddam, Middlesex County, Connecticut, USA
2.4km (1.5 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
4.2km (2.6 miles) ⓘRock Landing Quarry (Capt. Rohrback Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
5.1km (3.2 miles) ⓘAnderson No. 1 Mica Mine, East Hampton, Middlesex County, Connecticut, USA
6.7km (4.1 miles) ⓘWorth and Selden Quarries (Victoria Quarry), East Hampton, Middlesex County, Connecticut, USA
7.6km (4.7 miles) ⓘSlocum prospect, East Hampton, Middlesex County, Connecticut, USA
8.5km (5.3 miles) ⓘJohn Salak Quarry, Haddam, Middlesex County, Connecticut, USA
References
Field collected by FE Davis, crystal habit, physical features, radioactivity
 
and/or  
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