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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Thomsonite-Ca from
Tylden quarry, Tylden, Macedon Ranges Shire, Victoria, Australia


06796530017364707921895.jpg
Thomsonite-Ca, etc.

Tylden quarry, Tylden, Macedon Ranges Shire, Victoria, Australia
06796530017364707921895.jpg
Thomsonite-Ca, etc.

Tylden quarry, Tylden, Macedon Ranges Shire, Victoria, Australia
04619300017364707931778.jpg
Thomsonite-Ca, etc.

Tylden quarry, Tylden, Macedon Ranges Shire, Victoria, Australia
Locality type:Quarry
Classification
Species:Thomsonite-Ca
Formula:NaCa2[Al5Si5O20] · 6H2O
Comments:"Several specimens of thomsonite were collected from the quarry at Tylden. The thomsonite forms waxy, translucent grey botryoidal linings to cavities, and chabazite crystals coat the thomsonite."
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chlorite Group1
Chabazite-Ca1
Data
Mineral Data:Click here to view Thomsonite-Ca data
Locality Data:Click here to view Tylden quarry, Tylden, Macedon Ranges Shire, Victoria, Australia
Data Identifiers
Mindat Occurrence Record ID:89965
Long-form Identifier:1:3:89965:3
GUID (UUID V4):0
Nearest other occurrences of Thomsonite-Ca
12.6km (7.8 miles) ⓘDegraves Mill (Ward's Mill), Malmsbury, Macedon Ranges Shire, Victoria, Australia
48.3km (30.0 miles) ⓘOrgan Pipes National Park, City of Hume, Victoria, Australia
56.7km (35.2 miles) ⓘTheodore Company Mine, Clunes, Hepburn Shire, Victoria, Australia
57.0km (35.4 miles) ⓘSouth Clunes United Mines, Clunes, Hepburn Shire, Victoria, Australia
67.5km (42.0 miles) ⓘBoral Limited quarry, Bundoora, City of Whittlesea, Victoria, Australia
72.5km (45.1 miles) ⓘCorporation quarries, Clifton Hill, Collingwood, City of Yarra, Victoria, Australia
References
Birch, W. D. - Ed. (1989) Zeolites of Victoria. Special Publication No.2. Mineralogical Society of Victoria75-84,101
 
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