Rocks and Minerals Question Marathon

[hexagonaria]

hopefully this isn't a reflection on my preformance at wright state tomorrow.. :? (Click to Show Hidden Text)

I almost wanna say it's calcite, based on the rhombohedral shape it cleaves into. I wish I could touch it to be sure

[quizbowl]

[hexagonaria]

hahaha that just made my night (Click to Show Hidden Text)

selenite gypsum? Obviously not my first guess but i've exhausted all my other choices. after this I'll leave this question to someone who knows what they're doing

[quizbowl]

hahaha that just made my night (Click to Show Hidden Text)

selenite gypsum? Obviously not my first guess but i've exhausted all my other choices. after this I'll leave this question to someone who knows what they're doing

Yes! It had some kind of inclusion (I want to say strontium) that colored it that light blue hue. Your turn!

[hexagonaria]

Yay! This next one is a bit easy but I think it is interesting.

Name the mineral or rock in the middle.

[quizbowl]

Really hard to see, but (Click to Show Hidden Text)

Staurolite?

[aznluvsricemhm]

Yuppers (Click to Show Hidden Text)

I agree with QuizBowl :D

[hexagonaria]

Got it!

[quizbowl]

Yay! Someone else can post.

[tornado guy]

Identify me! (Click to Show Hidden Text)

[img]http://www.galleries.com/minerals/silicate/albite/albite.jpg[/img]