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Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 21st, 2013, 4:35 pm
by AstroRockShock
technomario wrote:Sulfur
Yep that is correct, if anyone got it incorrect I would be worried...
Anyways, your turn!
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 22nd, 2013, 5:34 am
by technomario
Ok how about this one....
Give me a chemical formula and a hardness on the mohs scale
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 22nd, 2013, 8:18 am
by hexagonaria
Azurite, chemical formula: Cu3(CO3)2(OH)2, hardness: 3.5-4
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 24th, 2013, 7:14 am
by technomario
Correct! You're next! Sorry for the delay I have been busy.
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 26th, 2013, 6:48 pm
by hexagonaria
Oh, you guys probably want a new question, don't you?
ID the rock that makes up this fascinating formation.

No, it's not man-made!
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 28th, 2013, 6:15 am
by technomario
Crystaline Limestone?
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 28th, 2013, 6:47 am
by hexagonaria
technomario wrote:Crystaline Limestone?
Afraid not. Good try though
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 29th, 2013, 5:51 am
by technomario
Quartzite
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 29th, 2013, 7:18 am
by hexagonaria
technomario wrote:Quartzite
No sir.
Think igneous.
Re: Rocks & Minerals B/C ID/Question Marathon
Posted: October 30th, 2013, 5:37 pm
by JAKE
is it slate