Rocks and Minerals Question Marathon

[Wadhk]

Yup!

[solakmagic]

States is in 4 days! REVIVE!!

[quizbowl]

Yup!

Click! (Click to Show Hidden Text)

[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?

[solakmagic]

Yup!

Click! (Click to Show Hidden Text)

[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?

Possibly (Click to Show Hidden Text)

Topaz
1) Igneous; granite pegmatites and rhyolite.  Also found in sed. alluvial deposits
2) Abrasive
3) 1000 Celsius...?

[quizbowl]

Incorrect.

[LoopQuantumGravity]

Quartz (citrine)
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C

[quizbowl]

Quartz (citrine)
1. Magma, Saturated silica solutions
2. Semiprecious gemstone
3. 1427 C

Nope!

[Kazen]

Hello!

Is it? (Click to Show Hidden Text)

Fluorite:
1. Hydrothermal
2. Smelting and Steel Production
3. 1360 degrees celsius

[quizbowl]

Hello!

Is it? (Click to Show Hidden Text)

Fluorite:
1. Hydrothermal
2. Smelting and Steel Production
3. 1360 degrees celsius

Indeed it is! Also you could answer #2 with flux.

[Kazen]

ID this mineral and its chemical formula. (:

(and thanks for the tip~)