Rocks & Minerals B/C ID/Question Marathon

Post by **Jim_R** » Wed Aug 28, 2013 8:36 pm

ID Thread and Question Marathon for Rocks & Minerals B/C.

hexagonaria · Post by **hexagonaria** » Thu Aug 29, 2013 1:05 pm

Oh, can I go first?

Identify! (Click to Show Hidden Text)

[img]http://31.media.tumblr.com/e76eb2db90e917111f334e0183913a92/tumblr_msb6a4MZRz1svm0obo1_500.jpg[/img]

sorry, my camera and my specimen are of bad quality.
It is supposed to say "science olympiad 2014"

GOOD LUCK THIS YEAR EVERYONE

Post by **Skink** » Thu Aug 29, 2013 1:09 pm

Nice way to start! That's gotta be ulexite.

hexagonaria · Post by **hexagonaria** » Thu Aug 29, 2013 1:32 pm

Skink wrote:Nice way to start! That's gotta be ulexite.

Thanks! I was gonna show "2014" through calcite to show birefringince/ double refraction, but it wasn't showing up very well

And yes, you're right! Here's to a long and thriving marathon of rocks and minerals questions! I'm glad the admins created a special place for these.

Post by **Skink** » Fri Aug 30, 2013 5:43 pm

Cool. Next-

ID me. (Click to Show Hidden Text)

[img]http://www.proprofs.com/quiz-school/upload/yuiupload/958263444.jpg[/img]

And don't be like me above. Put your answers in hide tags.

Tiktaalik · Post by **Tiktaalik** » Sat Aug 31, 2013 11:31 am

I haven't studied in a while, so I doubt I'll get this right but... (Click to Show Hidden Text)

quartzite?

XJcwolfyX · Post by **XJcwolfyX** » Sat Aug 31, 2013 11:33 am

Looks more like Sandstone to me!

Post by **Skink** » Sun Sep 01, 2013 9:35 am

Good, wolfy. Your turn-

XJcwolfyX · Post by **XJcwolfyX** » Mon Sep 02, 2013 6:21 pm

nlg734 · Post by **nlg734** » Mon Sep 02, 2013 6:40 pm

I actually have a small piece that looks like that (Click to Show Hidden Text)

Dolomite

Scioly.org