Re: Rocks and Minerals Question Marathon
Posted: November 14th, 2012, 9:52 pm
havendude wrote:
Identify
Rhodonite
Scioly.org
Science Olympiad Student Center
https://scioly.org:443/forums/
Rocks and Minerals Question Marathon
Page 3 of 70
Re: Rocks and Minerals Question Marathon
Posted: November 15th, 2012, 8:42 am
hmmmm is it rhodonite?
Re: Rocks and Minerals Question Marathon
Posted: November 15th, 2012, 3:00 pm
Your turn
Re: Rocks and Minerals Question Marathon
Posted: November 15th, 2012, 8:05 pm
I don't know if it's my turnnnnnn... 
But,
But,
[img]http://www.mineralmasterpiece.com/images/Specimens/P1/MMB-669xLv2_Schorl.jpg[/img]
Re: Rocks and Minerals Question Marathon
Posted: November 16th, 2012, 3:31 pm
That would be sphalerite.
Re: Rocks and Minerals Question Marathon
Posted: November 16th, 2012, 6:19 pm
i'd think tourmaline (specifically schorl)
Re: Rocks and Minerals Question Marathon
Posted: November 16th, 2012, 6:40 pm
Did you guess that from the url? If not how did you tell the difference?eox wrote:i'd think tourmaline (specifically schorl)
Re: Rocks and Minerals Question Marathon
Posted: November 16th, 2012, 10:33 pm
Tourmaline frequently forms columnar (idk if thats the right term) shapes.Allinea wrote:Did you guess that from the url? If not how did you tell the difference?eox wrote:i'd think tourmaline (specifically schorl)
and schorl is completely jet black.
so columns of jet black mineral usually remind me of tourmaline schorl
Re: Rocks and Minerals Question Marathon
Posted: November 17th, 2012, 12:30 pm
Yup! I agree with eox 
Your turn!
Your turn!Re: Rocks and Minerals Question Marathon
Posted: November 19th, 2012, 10:11 am
Since nobody has gone (please don't hate me) may I?
What are these two minerals?
What are their crystal's shapes?
What are these two minerals?
What are their crystal's shapes?