Image:Pyrolusite botryoidal.jpg

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This image has been (or is hereby) released into the public domain by its creator, Aramgutang. This applies worldwide. In case this is not legally possible, the creator grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. Subject to disclaimers.

Pyrolusite

Taken by Aram Dulyan (User:Aramgutang)	Date:	22'FEB 2005
Shiny botryoidal mass of pyrolusite from Tres Cruzes, Brazil. Photo taken at the Natural History Museum, London. Tetragonal crystal structure, formula: β-Mn02.	Camera:	Canon PowerShot A75
	ISO:	100
	Aperture:	F 3.5
	Shutter speed:	1/10 s

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