In case anyone wanted the answer to question 9, here it is.
1. Augite
2. Monoclinic
[quote="rocketman1555"]In order to keep this thread alive here is a new question.
What type of rock makes up Mammoth Caves?
What is its chemical composition?[/quote]
Re: Rocks and Minerals Question Marathon
Posted: September 15th, 2011, 6:21 pm
by Saturiea
Should be limestone which is CaCO3.
Re: Rocks and Minerals Question Marathon
Posted: September 20th, 2011, 4:20 pm
by quizbowl
Since no one has posted:
[img]http://i.imgur.com/GgJ2d.jpg[/img]
Re: Rocks and Minerals Question Marathon
Posted: September 20th, 2011, 6:33 pm
by XXGeneration
quizbowl wrote:Since no one has posted:
[img]http://i.imgur.com/GgJ2d.jpg[/img]
Is this Augite?
Re: Rocks and Minerals Question Marathon
Posted: September 20th, 2011, 6:34 pm
by quizbowl
XXGeneration wrote:
quizbowl wrote:Since no one has posted:
[img]http://i.imgur.com/GgJ2d.jpg[/img]
Is this Augite?
Nope, sorry!
Re: Rocks and Minerals Question Marathon
Posted: September 20th, 2011, 6:57 pm
by IdahoSciGuy
I have a sample that looks like it is on the same matrix, and that is a Tourmaline Crystal. Same?
Re: Rocks and Minerals Question Marathon
Posted: September 20th, 2011, 7:11 pm
by quizbowl
IdahoSciGuy wrote:
I have a sample that looks like it is on the same matrix, and that is a Tourmaline Crystal. Same?
Good job!
It is schorl, the most common variety of tourmaline
Re: Rocks and Minerals Question Marathon
Posted: September 24th, 2011, 6:02 pm
by iYOA
revive!!
[img]http://webmineral.com/specimens/photos/Albite1Small.jpg[/img]
a)Identify it
b) Chemical composition?
Re: Rocks and Minerals Question Marathon
Posted: September 24th, 2011, 7:19 pm
by XXGeneration
iYOA wrote:revive!!
[img]http://webmineral.com/specimens/photos/Albite1Small.jpg[/img]
a)Identify it
b) Chemical composition?
The picture isn't loading for me.. and I just saw the link when quoting :X
whoops sorry I guess I'll sit out this one
Re: Rocks and Minerals Question Marathon
Posted: September 24th, 2011, 7:26 pm
by quizbowl
Here: I won't answer it, but I'll post the picture again:
