Rocks & Minerals B/C ID/Question Marathon

[AstroRockShock]

How do you hide a message?

When you post a comment you should see a bunch of "buttons" on top of the box you are typing in, from there, there should be a button that says, "hide".
Have your mouse go over it and then you should see the "format" on how to hide messages.

[ali941]

Alrighty.

Warning: [b]huge[/b] image (Click to Show Hidden Text)

[img]http://upload.wikimedia.org/wikipedia/commons/8/8d/Gypsum_'desert_roses',_Chihuahua,_Mexico_-_Natural_History_Museum_of_Utah_-_DSC07463.JPG[/img]

1. Identify
2. What is this shape called? Sorry for vague wording.

[alpacalypse]

Alrighty.

Warning: [b]huge[/b] image (Click to Show Hidden Text)

[img]http://upload.wikimedia.org/wikipedia/commons/8/8d/Gypsum_'desert_roses',_Chihuahua,_Mexico_-_Natural_History_Museum_of_Utah_-_DSC07463.JPG[/img]

1. Identify
2. What is this shape called? Sorry for vague wording.

I think it is (Click to Show Hidden Text)

Gypsum and I think the shape is called desert roses

[ali941]

Yep. Your turn!

[alpacalypse]

Identify this mineral, it's chemical formula, and it's mineral group.

[AstroRockShock]

Identify this mineral, it's chemical formula, and it's mineral group.

I am guessing it is... (Click to Show Hidden Text)

Hematite, Fe2O3 (Note: The numbers are supposed to be sub-scripted), Oxides

[alpacalypse]

All are correct!

[AstroRockShock]

Okay let's go with an easy one...
Identify this mineral:

Hint (Although this one is already easy enough) (Click to Show Hidden Text)

Look at its color

[technomario]

I Think it's... (Click to Show Hidden Text)

Sulfur

[darkdeserthighway]

I agree