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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Calcite from
Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand


09470240017272038446484.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
09241870017272038761080.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
02410300017427419931879.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
09470240017272038446484.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
02023360017272319426092.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
01576460017427206261507.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
09470240017272038446484.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
09241870017272038761080.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
02410300017427419931879.jpg
Calcite, etc.

Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
Associated Minerals Based on Photo Data:
Pyrite9
Hematite3
Quartz1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Coromandel Quarry, Coromandel, Coromandel Peninsula, Thames-Coromandel District, Waikato Region, New Zealand
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:801392
Long-form Identifier:1:3:801392:7
GUID (UUID V4):0
References
Collection of Rod Martin
 
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