Rocks & Minerals B/C ID/Question Marathon

rockster · Postby **rockster** » January 31st, 2014, 3:26 pm

Correct!

hexagonaria · Postby **hexagonaria** » January 31st, 2014, 4:38 pm

Fantastic!

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

rockster · Postby **rockster** » January 31st, 2014, 5:27 pm

Oh this is a hard one....

Is It? (Click to Show Hidden Text)

Limonite

darkdeserthighway · Postby **darkdeserthighway** » January 31st, 2014, 6:00 pm

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

I agree

hexagonaria · Postby **hexagonaria** » January 31st, 2014, 7:43 pm

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 · Postby **darkdeserthighway** » February 6th, 2014, 3:33 pm

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

vxpvm · Postby **vxpvm** » February 6th, 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 · Postby **hexagonaria** » February 7th, 2014, 5:33 am

guessing on the third (Click to Show Hidden Text)

Pyrite, Calcite, and Chalcopyrite?

Allinea · Postby **Allinea** » February 7th, 2014, 9:46 am

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

Pyrite, aragonite and crystal quartz?

rockster · Postby **rockster** » February 7th, 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