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Minerals/Chalcogens/Quiz

< Minerals‎ | Chalcogens

Chalcogen minerals is a lecture from the school of geology and the radiation astronomy department. It is about solid, crystalline substances that occur in and compose astronomical objects including the Earth. It focuses on materials containing large amounts of chalcogens that may occur on the surface of or associated with some astronomical objects.

This is a native tellurium crystal from the Emperor Mine, Vatukoula, Tavua Gold Field, Viti Levu, Fiji. Credit: Robert Stravinsky.

You are free to take this quiz based on chalcogen minerals at any time.

To improve your scores, read and study the lecture, the links contained within, listed under See also and External links, and in the {{radiation astronomy resources}} and {{geology resources}} templates. This should give you adequate background to get 100 %.

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Quiz edit

  

1 Yes or No, Carbonate minerals are chalcogen minerals.

Yes
No

2 Elpidite has the formula Na2ZrSi6O15·3H2O. As a chalcogen mineral it is also a

.

3 True or False, Emplectite has the chemical formula CuBiS2. It contains the chalcogen bismuth.

TRUE
FALSE

4 Chaoites are another hexagonal form of native

5 True or False, Emmonsite, or durdenite, has the formula Fe2(TeO3)3·2H2O. It is a tellurate mineral.

TRUE
FALSE

6 Complete the text:

At volcanic locations, native

sulfur can be seen flowing and it is

.

7 Yes or No, Enargite (Cu3AsS4) is an arsenate.

Yes
No

8 Elyite has the chemical formula Pb4Cu(SO4)(OH)8. Which chalcogens are contained in the mineral?

lead
copper
sulfur
oxygen
hydrogen
plumbum

9 Yes or No, A carbonate (CO3) usually occurs with an anion.

Yes
No

10 A terrestrial planet is composed primarily of?

11 True or False, Carpathite is a chalcogen mineral.

TRUE
FALSE

12 Yes or No, Silicon carbide contains one chalcogen.

Yes
No

13 Yes or No, Native selenium can occur as needles.

Yes
No

14 Yes or No, Phosphate minerals are also chalcogen minerals.

Yes
No


Hypotheses edit

Main article: Hypotheses
  1. Chalcogen minerals compose a large percentage of terrestrial objects.

See also edit

External links edit

{{Radiation astronomy resources}}

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