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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Analcime from
Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia


07732630017368725188043.jpg
Analcime

Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
00532910017272034028091.jpg
Analcime

Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
07732630017368725188043.jpg
Analcime

Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
00532910017272034028091.jpg
Analcime

Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
07732630017368725188043.jpg
Analcime

Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
00532910017272034028091.jpg
Analcime

Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
Locality type:Quarry
Classification
Species:Analcime
Formula:Na(AlSi2O6) · H2O
Comments:"Water-clear trapezohedrons up to 1 mm across are found with chabazite or on andesine in vesicles in the basalt at the Cape Grant quarry. They are very rare."(Birch1989)
Colour:colorless
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Copper1
Phillipsite Subgroup1
Data
Mineral Data:Click here to view Analcime data
Locality Data:Click here to view Portland Harbour Trust Quarry, Cape Sir William Grant, Portland, Glenelg Shire, Victoria, Australia
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:89997
Long-form Identifier:1:3:89997:2
GUID (UUID V4):0
References
Birch, W. D. - Ed. (1989) Zeolites of Victoria. Special Publication No.2. Mineralogical Society of Victoriapp.86-89
Tschernich, Rudy W. (1992) Zeolites of the World. Geoscience Press, Inc. 567pp.
 
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