Naked Science Forum

Non Life Sciences => Geology, Palaeontology & Archaeology => Topic started by: Atomic-S on 20/08/2010 05:48:03

Title: What is the black stuff that accompanies rhodonite?
Post by: Atomic-S on 20/08/2010 05:48:03

I have rock that is labeled "rhodonite from Australia". It has a little pink here and there, but the great majority is almost black. What is the black stuff?

Title: What is the black stuff that accompanies rhodonite?
Post by: Bass on 20/08/2010 06:14:55

That would be pyrolusite (Manganese oxide)

Title: What is the black stuff that accompanies rhodonite?
Post by: Mazurka on 20/08/2010 09:29:35

flipping heck, you're quick [^]

Title: What is the black stuff that accompanies rhodonite?
Post by: JimBob on 21/08/2010 01:11:06

Bass is a psychic.

He channels James Hutton, Charles Lyell and T. C. Chaimberlin and many other geologists.