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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Siderite from
Swinhope Moor, Allendale, Northumberland, England, UK


06054940017271983354552.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
08167200017528047658136.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
05495980017540208958905.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
07261050017540208947655.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
00973610017534847951962.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
05673160017526777525171.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
08286690017526779658181.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
08276920017526778785216.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
01530120017371223544448.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
08167200017528047658136.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
06991590017540208963102.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
07261050017540208947655.jpg
Siderite, etc.

Swinhope Moor, Allendale, Northumberland, England, UK
Locality type:Moor
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Sphalerite18
Quartz13
Fluorite8
Galena8
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Swinhope Moor, Allendale, Northumberland, England, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:17636
Long-form Identifier:1:3:17636:7
GUID (UUID V4):0
Nearest other occurrences of Siderite
2.8km (1.7 miles) ⓘCoalcleugh Mine, Coalcleugh, West Allen, Northumberland, England, UK
3.4km (2.1 miles) ⓘPark Level Mine, Killhope Burn, Stanhope, County Durham, England, UK
3.5km (2.2 miles) ⓘSt Peter's Mine, Sparty Lea, Allendale, Northumberland, England, UK
3.7km (2.3 miles) ⓘAllenheads Mine (Beaumont Mine), Allendale, Northumberland, England, UK
4.1km (2.5 miles) ⓘWellhopehead Mine, West Allen, Northumberland, England, UK
5.1km (3.2 miles) ⓘSmallcleugh Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
5.2km (3.2 miles) ⓘBrownley Hill Mine (Bloomsberry Horse Level), Nenthead, Alston Moor, Eden, Cumbria, England, UK
5.2km (3.3 miles) ⓘRampgill Mine, Nenthead, Alston Moor, Eden, Cumbria, England, UK
6.1km (3.8 miles) ⓘWellheads Hush, Stanhope, County Durham, England, UK
6.3km (3.9 miles) ⓘBurtree Pasture Mine (Breckonsyke Mine; Broadmea Mine), Cowshill, Stanhope, County Durham, England, UK
References
Day, Harry (1999) BMS Database, British Micromount Society.
 
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