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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Heulandite Subgroup from
Amethyst Cove (Captain Kidd's Cove), Kings Co., Nova Scotia, Canada


Locality type:Cove
Classification
Species:'Heulandite Subgroup' (not an IMA approved species)
Formula:(Na/Ca/K)5-6[Al8-9 Si27-28 O72] · nH2O
Colour:Brown, white, pink
Quality for species:Good crystals or rich for species - important (!)
Abundance at site:Very common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz7
Analcime2
Apophyllite Group1
Calcite1
Data
Mineral Data:Click here to view Heulandite Subgroup data
Locality Data:Click here to view Amethyst Cove (Captain Kidd's Cove), Kings Co., Nova Scotia, Canada
Photo GalleryView Gallery (5 photos)
Data Identifiers
Mindat Occurrence Record ID:32706
Long-form Identifier:1:3:32706:8
GUID (UUID V4):0
Nearest other occurrences of Heulandite Subgroup
5.0km (3.1 miles) Cape Sharp, West Bay, Cumberland Co., Nova Scotia, Canada
6.1km (3.8 miles) Cape Split, Kings Co., Nova Scotia, Canada
6.5km (4.1 miles) Partridge Island, Parrsboro, Cumberland Co., Nova Scotia, Canada
7.7km (4.8 miles) Cape Blomidon, Kings Co., Nova Scotia, Canada
9.7km (6.0 miles) Ross Creek (east), Ross Creek, Kings Co., Nova Scotia, Canada
12.6km (7.9 miles) Arlington quarry, Kings Co., Nova Scotia, Canada
13.0km (8.1 miles) Swan Creek, Greenhill, Cumberland Co., Nova Scotia, Canada
14.0km (8.7 miles) Wasson Bluff, Two Islands, Cumberland Co., Nova Scotia, Canada
17.0km (10.6 miles) McKay Head, Two Islands, Cumberland Co., Nova Scotia, Canada
17.2km (10.7 miles) Long Beach, Kings Co., Nova Scotia, Canada
References
 
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