Minerals/Mineralogy/Quiz

On the right is a photomicrograph of olivine in cross-section under crossed polarizers from an Archaean Kormatite in Australia.

Mineralogy is a lecture and an article about the science of minerals offered by the school of geology in conjunction with the astronomy department of the school of physics and astronomy.

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Quiz
{Submillimeter radiances can be matched by models which include ice particles of? { ammonia|NH3|NH3 (i) }
 * type="{}"}

{With respect to protoplanetary disks what green mineral has been found? { olivine (i) }
 * type="{}"}

{True or False, There are green or green mineral containing meteorites. + TRUE - FALSE
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{Complete the text: "In the green, the { polarization (i) } of the pure { silicate (i) } composition qualitatively appears a better { fit (i) } to the shape of the observed polarization curves."
 * type="{}"}

{Yes or No, The silicates used to model the cometary coma dust are olivene (Mg-rich is green) and the pyroxene, asbestos. - Yes + No
 * type=""}

{Moldavite is a mineral that may be associated with what green astronomy phenomenon? - predicting the end of the Earth - determine the accuracy of local computers + meteorite impacts - demonstrating that Venus was once a comet - predict when currently dormant volcanoes will erupt + green fireballs
 * type="[]"}

{True or False, A plume of water ice particles emanating from Enceladus is reaching altitudes as high as 400 km above the surface. + TRUE - FALSE
 * type=""}

{A terrestrial planet is composed primarily of? { silicate rocks|metals|silicates|rocks (i) }
 * type="{}"}

{True or False, Olivine is a silicate mineral that may be detected in cometary coma dust with green astronomy. + TRUE - FALSE
 * type=""}

{Azurite is a natural pigment composed of what likely source of blue? { copper|copper oxide|copper carbonate|copper hydroxide (i) }
 * type="{}"}

{True or False, The XRS aboard the MESSENGER spacecraft maps mineral composition. + TRUE - FALSE
 * type=""}

{Complete the text: At its effective temperature of 1250 K, the atmosphere of the extrasolar planet 51 Pegasus B has clouds composed of { magnesium silicates (i) } and { other silicates|other silicate compounds (i) }.
 * type="{}"}

{True or False, In olivines substituting values for y from 0 to 1 produces compositions ranging from fayalite to forsterite. - TRUE + FALSE
 * type=""}

{Which geochemical phenomena are associated with Earth? + weathering - lightning + calcium carbonate deposition in the oceans + uranium ions in its oceans - liquid methane oceans + silicate minerals
 * type="[]"}

{True or False, There are blue or blue mineral containing meteorites. + TRUE - FALSE
 * type=""}

{True or False, There are red or red mineral containing meteorites. + TRUE - FALSE
 * type=""}

{Phenomena associated with some meteorites? - have a gaseous surface + long nickel-iron crystals + octahedrite + kamacite + taenite + plessite
 * type="[]"}

{True or False, There are violet or violet mineral containing meteorites. + TRUE - FALSE
 * type=""}

{Purpurite is a natural mineral pigment composed of what likely source of violet or purple? { manganese|manganese oxide (i) }
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{True or False, There are cyan or cyan mineral containing meteors or meteorites. + TRUE - FALSE
 * type=""}

{Tarapacaite is a natural mineral pigment composed of what likely source of yellow? { chromate|potassium chromate (i) }
 * type="{}"}

{True or False, There are yellow or yellow mineral containing meteorites. + TRUE - FALSE
 * type=""}

{Red ochre is a natural pigment composed of what likely source of red? { hematite|iron|iron oxide|Fe2O3|Fe2O3 (i) }
 * type="{}"}

{True or False, There are orange or orange mineral containing meteorites. + TRUE - FALSE
 * type=""}

{Moldavite is a mineral that may be associated with what radiation astronomy phenomenon? - predicting the end of the Earth - determining the accuracy of local computers + meteorite impacts - demonstrating that Venus was once a comet - predicting when currently dormant volcanoes will erupt + fireballs
 * type="[]"}

{True or False, The planet Saturn exhibits a pale yellow hue due to ammonia crystals in its upper atmosphere. + TRUE - FALSE
 * type=""}

{Orpiment is a natural mineral pigment composed of what likely source of orange? { arsenic|arsenic sulfide (i) }
 * type="{}"}

{True or False, Optical reflectance studies of Mercury provide evidence for Mg silicates. + TRUE - FALSE
 * type=""}

{True or False, Water ice has been detected on the surface of an asteroid. + TRUE - FALSE
 * type=""}

{Yes or No, The crystallography of a mineral is part of mineralogy. + Yes - No
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{Yes or No, The crystal structure of a solid, naturally-occurring substance helps to show it is a mineral. + Yes - No
 * type=""}

Hypotheses

 * 1) Minerals are a generic for formation conditions.