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Minerals/Silicates/Quiz

< Minerals | Silicates

Silicate minerals is a lecture and an article from the school of geology. It is about solid, crystalline substances containing the various silicic acid salts of the periodic table that occur in and compose astronomical objects. It focuses on materials that may occur on the surface of or associated with some astronomical objects.

File:Andradite Dermantoid Garnet.jpg
This is Andradite Var: Demantoid garnet an orthosilicate. Credit: yaiba0390.

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

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Quiz

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1 Yes or No, Garnet is an orthosilicate.

Yes
No

2 Carnotite is a potassium uranium

radioactive mineral.

3 Yes or No, Tephroite is a nesosilicate.

Yes
No

4 Autunite occurs as an oxidizing product of uranium minerals in granite pegmatites and hydrothermal

.

5 True or False, Leucophanite is a sorosilicate mineral.

TRUE
FALSE

6 Complete the text:

Elements usually emit a

during nuclear

or

.

7 True or False, Silicate minerals, or silicates, are those with unusually high concentrations, atomic per cents, or weight per cents, of the silicic salts.

TRUE
FALSE

8 Carnotite is a mineral that may be associated with which phenomena?

varying water content
small amounts of calcium, barium, magnesium, iron, and sodium
a bright to greenish yellow mineral
demonstrating that Venus was once a comet
amounts as low as one percent will color sandstone a bright yellow.
an important uranium ore
usually found in sedimentary rocks in arid climates

9 Yes or No, Beryl is a cyclosilicate.

Yes
No

10 A terrestrial planet is composed primarily of?

11 Yes or No, Augite is an inosilicate.

Yes
No

12 The primary source of the world's thorium is the rare-earth, and thorium, phosphate mineral

.

13 Yes or No, Anthophyllite is an inosilicate.

Yes
No

14 Complete the text:

The extremely rare element technetium can be found in

in very small quantities (about 0.2 ng/kg), produced by the

fission of uranium-238.

15 True or False, Kaolin is a phyllosilicate.

TRUE
FALSE

16 Which geochemical phenomena are associated with thorianite?

thorium oxide
lightning
common in the alluvial gem-gravels of Sri Lanka
the mineral is slightly less radioactive than pitchblende
liquid methane oceans
water worn, small, heavy, black, cubic crystals

17 True or False, There are blue or blue silicate minerals.

TRUE
FALSE

18 True or False, Orthoclase is a tectosilicate.

TRUE
FALSE

19 Phenomena associated with torbernites?

have a gaseous surface
radioactive
hydrated green copper uranyl phosphate mineral
isostructural with the related uranium mineral, autunite
the number of water hydration molecules can vary between 12 and 8
gives rise to a variety of metatorbernite when torbernite spontaneously dehydrates

20 True or False, Analcite is a feldspathoid tektosilicate.

TRUE
FALSE

21 The rarest naturally occurring element on Earth is named

22 True or False, Curium is an actinide element.

TRUE
FALSE

23 Uranophane is a rare calcium uranium

hydrate mineral.

24 True or False, Berkelium is an actinide element.

TRUE
FALSE

25 Red ochre is a natural pigment composed of what likely source of red?

26 True or False, Californium is an actinide element.

TRUE
FALSE

27 Match up the crystal with the mineral

uraninite - A
monazite - B
pitchblende - C
thorianite - D
 

.
 

.
 

.
File:Uraninite crystal cluster.jpg

.

28 Yes or No, Einsteinium is an actinide element.

Yes
No

29 A gamma-ray spectrum for autunite is likely to show peaks for Ra-226,

and Bi-214.

30 True or False, Fermium is an actinide element.

TRUE
FALSE

31 True or False, Fermium isotopes have been found in precambrian carbonate rocks from Sao Paulo State.

TRUE
FALSE

32 Yes or No, Lawrencium is a silicate mineral.

Yes
No


Hypotheses

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Main resource: Hypotheses
  1. Silicates may be too plentiful.

See also

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edit

{{Radiation astronomy resources}}

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