Rocks and Minerals Question Marathon

[XXGeneration]

In case anyone wanted the answer to question 9, here it is.

Question 9 Answer (Click to Show Hidden Text)

1. Augite
2. Monoclinic

Question 10 (Click to Show Hidden Text)

[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]

[Saturiea]

Answer (Click to Show Hidden Text)

Should be limestone which is CaCO3.

[quizbowl]

Since no one has posted:

Press me! (Click to Show Hidden Text)

[img]http://i.imgur.com/GgJ2d.jpg[/img]

[XXGeneration]

Since no one has posted:

Press me! (Click to Show Hidden Text)

[img]http://i.imgur.com/GgJ2d.jpg[/img]

Unsure Answer :( (Click to Show Hidden Text)

Is this Augite?

[quizbowl]

Since no one has posted:

Press me! (Click to Show Hidden Text)

[img]http://i.imgur.com/GgJ2d.jpg[/img]

Unsure Answer :( (Click to Show Hidden Text)

Is this Augite?

Nope, sorry!

[IdahoSciGuy]

Possible? (Click to Show Hidden Text)

I have a sample that looks like it is on the same matrix, and that is a Tourmaline Crystal. Same?

[quizbowl]

Possible? (Click to Show Hidden Text)

I have a sample that looks like it is on the same matrix, and that is a Tourmaline Crystal. Same?

Good job!

Specifically (Click to Show Hidden Text)

It is schorl, the most common variety of tourmaline

[iYOA]

revive!!

Question 12 (Click to Show Hidden Text)

[img]http://webmineral.com/specimens/photos/Albite1Small.jpg[/img]
a)Identify it
b) Chemical composition?

[XXGeneration]

revive!!

Question 12 (Click to Show Hidden Text)

[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

[quizbowl]

Here: I won't answer it, but I'll post the picture again: