Page 77 of 89
Re: Rocks and Minerals Question Marathon
Posted: March 25th, 2012, 1:13 pm
by aznluvsricemhm
or maybe it's hornblende~ornamental stone
Re: Rocks and Minerals Question Marathon
Posted: March 26th, 2012, 1:07 pm
by starfield
Gneiss? used for building, as flooring or countertops, also used for gravestones
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 6:06 am
by solakmagic
Tremolite; used mainly as asbestos, also can be cut as gemstones, and is found in high pressure gauges
The thread is dying!
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 6:33 am
by quizbowl
solakmagic wrote:Tremolite; used mainly as asbestos, also can be cut as gemstones, and is found in high pressure gauges
The thread is dying!
Correct!
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 7:38 am
by solakmagic
1: Identify the mineral
2: State the reasoning you used to identify the mineral
3: How is this mineral commonly formed?
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 7:53 am
by Paleofreakazoid
Ummm...
Citrine, it's yellow and quartzey looking, it's rare to find natural citrine, so it is often heat-treated amythest (which will be browner)
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 9:41 am
by solakmagic
Paleofreakazoid wrote:Ummm...
Citrine, it's yellow and quartzey looking, it's rare to find natural citrine, so it is often heat-treated amythest (which will be browner)
Nailed it

Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 10:00 am
by aznluvsricemhm
quizbowl wrote:solakmagic wrote:Tremolite; used mainly as asbestos, also can be cut as gemstones, and is found in high pressure gauges
The thread is dying!
Correct!
er...didn't I also put tremolite? Oh well... nice to know I was correct.

Anyway, how to you hide your answer?
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 1:15 pm
by solakmagic
[hide] Title | what you want to keep hidden [/hiRde] - do that exactly, but omit the capital R between the i and d in hide.
Re: Rocks and Minerals Question Marathon
Posted: April 5th, 2012, 5:57 pm
by Paleofreakazoid

1. Identify
2. State the reasoning you used to identify the mineral
3. How does it form?
4. What country is the top producer of this rock/mineral?