Rocks & Minerals B/C ID/Question Marathon

[taylorivy]

Let's try this. Name both minerals and explain why they are commonly found together (Click to Show Hidden Text)

[img]http://upload.wikimedia.org/wikipedia/commons/9/97/Azurite-Malachite-59275.jpg[/img]

[sofossils]

Answer (Click to Show Hidden Text)

Azurite and Malachite, they are both carbonates and ores of copper

[taylorivy]

Correct on the ID's. Nearly there with the second part but there's a relationship you're missing.

Answer (Click to Show Hidden Text)

Azurite and Malachite, they are both carbonates and ores of copper

[darkdeserthighway]

Let's try this. Name both minerals and explain why they are commonly found together (Click to Show Hidden Text)

[img]http://upload.wikimedia.org/wikipedia/commons/9/97/Azurite-Malachite-59275.jpg[/img]

When azurite weathers, it is replaced by malachite. (pseudomorph)

Sofossils can have the next question if this is acceptable

[taylorivy]

Great! Go right ahead.

[sofossils]

Thanks DDH for teaching me something I didn't know. Identify all three minerals. (Click to Show Hidden Text)

[img]http://upload.wikimedia.org/wikipedia/commons/2/20/Galena,_Calcite,_Fluorite-274395.jpg[/img]

[solakmagic]

Thanks DDH for teaching me something I didn't know. Identify all three minerals. (Click to Show Hidden Text)

[img]http://upload.wikimedia.org/wikipedia/commons/2/20/Galena,_Calcite,_Fluorite-274395.jpg[/img]

Wow, beautiful!

Answer (Click to Show Hidden Text)

Galena, Fluorite, aaaaand Calcite

[sofossils]

Correct! It was a beautiful specimen

[solakmagic]

Identify (Click to Show Hidden Text)

[img]https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcRjd-L39FsMVLPEpbkuKTwkBsi0lbcZvLqy1i4HGeJ36_YuzVRg[/img]

[inluvwyth_WANTED]

I would say... (Click to Show Hidden Text)

Epidote or Apatite. The structure looks like apatite but the color (I know I know, we're not suppose to rely on this but...)