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Orb crystal formation in calcite? spherulitic calcite?

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Author Topic: Orb crystal formation in calcite? spherulitic calcite?  (Read 76 times)
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« on: March 06, 2016, 11:28:39 pm »

The title is my best guess. Note: these are uploaded at full resolution and will be immense if clicked on.

Went out today and found the source for a black material with white veining that tends towards lots of fractures. Got some big solid pieces, and this. Which I do not understand but find fascinating.

Editing to add I learned a new word: 'spherulitic calcite.'

* P1050586.JPG (2782.5 KB, 2560x1920 - viewed 12 times.)

* P1050588.JPG (2881.5 KB, 2560x1920 - viewed 5 times.)
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