Rocks & Minerals B/C ID/Question Marathon

rockster · Post by **rockster** » Fri Jan 31, 2014 3:26 pm

Correct!

hexagonaria · Post by **hexagonaria** » Fri Jan 31, 2014 4:38 pm

Fantastic!

This is a bit of a tricky one, in my opinion. Everything is not as it seems.

rockster · Post by **rockster** » Fri Jan 31, 2014 5:27 pm

Oh this is a hard one....

Is It? (Click to Show Hidden Text)

Limonite

darkdeserthighway · Post by **darkdeserthighway** » Fri Jan 31, 2014 6:00 pm

rockster wrote:Oh this is a hard one....
Is It? (Click to Show Hidden Text)
Limonite

I agree

hexagonaria · Post by **hexagonaria** » Fri Jan 31, 2014 7:43 pm

rockster wrote:Oh this is a hard one....
Is It? (Click to Show Hidden Text)
Limonite

Brilliant, Rockster.
These pseudomorphs alway get me, especially since limonite is already a weird mineral, in my opinion.
Your go!

darkdeserthighway · Post by **darkdeserthighway** » Thu Feb 06, 2014 3:33 pm

anyone want to keep this going? it's been a while

vxpvm · Post by **vxpvm** » Thu Feb 06, 2014 6:49 pm

ID all three minerals in this picture (Click to Show Hidden Text)

[img]http://www.hummingbirdminerals.com/new_2_187ww.jpg[/img]

hexagonaria · Post by **hexagonaria** » Fri Feb 07, 2014 5:33 am

guessing on the third (Click to Show Hidden Text)

Pyrite, Calcite, and Chalcopyrite?

Allinea · Post by **Allinea** » Fri Feb 07, 2014 9:46 am

Taking a swing at it... (Click to Show Hidden Text)

Pyrite, aragonite and crystal quartz?

rockster · Post by **rockster** » Fri Feb 07, 2014 11:31 am

Sorry I didn't post had a lot going on..... and i got 9th place in Rocks and Minerals....first year

Okay

Are they (Click to Show Hidden Text)

Chalcopyrite, Quartz, and Calcite

Scioly.org