Re: Rocks and Minerals Question Marathon
Posted: April 18th, 2012, 8:11 pm
Yup!
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Rocks and Minerals Question Marathon
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Re: Rocks and Minerals Question Marathon
Posted: April 23rd, 2012, 7:35 pm
States is in 4 days! REVIVE!!
Re: Rocks and Minerals Question Marathon
Posted: April 24th, 2012, 5:12 pm
Wadhk wrote:Yup!
[img]http://i.imgur.com/IFkje.jpg[/img] 1. In which environments does this form? 2. Name an industrial use for it. 3. Melting point of a pure sample of this substance?
Re: Rocks and Minerals Question Marathon
Posted: April 24th, 2012, 6:08 pm
quizbowl wrote:Wadhk wrote:Yup![img]http://i.imgur.com/IFkje.jpg[/img] 1. In which environments does this form? 2. Name an industrial use for it. 3. Melting point of a pure sample of this substance?
Topaz 1) Igneous; granite pegmatites and rhyolite. Also found in sed. alluvial deposits 2) Abrasive 3) 1000 Celsius...?
Re: Rocks and Minerals Question Marathon
Posted: April 25th, 2012, 4:20 am
Incorrect.
Re: Rocks and Minerals Question Marathon
Posted: April 26th, 2012, 4:33 pm
Quartz (citrine)
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C
Re: Rocks and Minerals Question Marathon
Posted: April 26th, 2012, 7:58 pm
Nope!LoopQuantumGravity wrote:Quartz (citrine)
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C
Re: Rocks and Minerals Question Marathon
Posted: April 27th, 2012, 3:13 pm
Hello!
Fluorite: 1. Hydrothermal 2. Smelting and Steel Production 3. 1360 degrees celsius
Re: Rocks and Minerals Question Marathon
Posted: April 27th, 2012, 4:36 pm
Indeed it is! Also you could answer #2 with flux.Kazen wrote:Hello!
Fluorite: 1. Hydrothermal 2. Smelting and Steel Production 3. 1360 degrees celsius
Re: Rocks and Minerals Question Marathon
Posted: April 27th, 2012, 8:01 pm
ID this mineral and its chemical formula. (:
(and thanks for the tip~)