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Posted: **December 21st, 2012, 1:46 pm**

it's not a combination (Click to Show Hidden Text)

it is just gypsum

Posted: **December 21st, 2012, 7:01 pm**

wufactor 2012 is correct

Posted: **December 22nd, 2012, 7:01 pm**

Id this :lol: (Click to Show Hidden Text)

[img]https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcTOZjzrA7lDn5ouFNkNgtwFblGIFVIOO5mu3ZhYtUHcbUBnyxpZ[/img]
What is this specimen? and how do you tell?

Posted: **December 22nd, 2012, 9:26 pm**

hmmm (Click to Show Hidden Text)

quartz? because of its conchoidal fracture

Posted: **December 23rd, 2012, 6:41 am**

Posted: **December 23rd, 2012, 10:09 am**

Maybe? (Click to Show Hidden Text)

Talc, luster and color (kind of shimmery almost)

Posted: **December 23rd, 2012, 1:31 pm**

DING DING !!! We Got a winner

Posted: **December 24th, 2012, 9:52 am**

This new theme is awesome

1. Identify. 2. Chemical Classification 3. Uses (Click to Show Hidden Text)

[img]http://www.minresco.com/display/djpg/mi1245.jpg[/img]

Posted: **December 24th, 2012, 1:57 pm**

is it barite, sulfate group, a barium meal before a contrast CAT scan

Posted: **December 24th, 2012, 4:47 pm**

Yes, your go!

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