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
Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand


09201200017271987947778.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
01069530017272039013608.jpg
Siderite

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
02090260017272039029569.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
00738310017272039034803.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
09201200017271987947778.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
00399260017367948242724.jpg
Siderite

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
02685730017367948259139.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
03505150017369641533964.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
09201200017271987947778.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
01069530017272039013608.jpg
Siderite

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
02090260017272039029569.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
00738310017272039034803.jpg
Siderite, etc.

Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
Locality type:Quarry
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Clinoptilolite-Ca2
Clinoptilolite Subgroup1
Chlorite Group1
Lanthanite-(Nd)1
Calcite1
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Whitianga Quarry, Whitianga, Coromandel peninsula, Thames-Coromandel District, Waikato Region, New Zealand
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:385199
Long-form Identifier:1:3:385199:9
GUID (UUID V4):0
References
Collection of Rod Martin, paper in prep.
 
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