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Tim Jokela Jr June 18, 2012 04:39PM
More likely dolomite, iron stained. Acid test will quickly distinguish.

"Undisclosed location" - can we improve this?

Description needs correcting - calcite doesn't form cubes.
Andrew Haighton June 18, 2012 06:52PM
Definitely looks like Dolomite rhombs, not cubes.

Andrew Haighton,
Brampton, Ontario
Frank Ruehlicke June 18, 2012 10:02PM
Not sure the locality hierarchy is correct. Within "Waterloo Regional Municipality", Cambridge and Waterloo should be at the same level - they are both cities within the Region. Perhaps this is based on the historical Waterloo County which roughly corresponds to Waterloo Regional Municipality. Waterloo County included the cities of Waterloo and Cambridge. But it seems awkward to mix the historical county with the current Waterloo Regional Municipality.
Reiner Mielke June 19, 2012 12:55AM
I know of no locality in the Waterloo region with dolomite like that. However I have seen similiar material in glacial float that you can find in the gravel pits in the region.
Uwe Kolitsch June 29, 2012 07:51PM
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