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Lustre (mineralogy): Quiz

  

Question 1: What does the following picture show?

  Amber
  Aventurine
  Moss opal

Question 2: Resinous minerals have the appearance of resin, ________ or (smooth surfaced) plastic.
XylitolAspartameSugar substituteChewing gum

Question 3: What does the following picture show?

  Alexandrite
  Amber
  Moss opal
  Muscovite

Question 4: The most famous examples are tiger's eye and cymophane, but the effect may also occur in other minerals such as aquamarine, moonstone and ________.
SapphireTourmalineEmeraldGarnet

Question 5: [2] Minerals with a true adamantine lustre are uncommon, with other examples being cerussite and ________.
UraniumZirconXenotimeDiamond

Question 6: What does the following picture show?

  Sapphire cabochon
  Kaolinite
  Satin spar variety of gypsum
  Tiger's eye

Question 7: Adamantine minerals possess a superlative lustre, which is most notably seen in ________.
PalladiumGarnetGoldDiamond

Question 8: Color-change Alexandrite is a variety of ________ and the most well-known of color-change gemstones.
GarnetSapphireChrysoberylEmerald

Question 9: What does the following picture show?

  Jade
  Muscovite
  Sphalerite

Question 10: Metallic (or splendent) minerals have the lustre of polished metal (and with ideal surfaces will act like a ________).
OpticsMirrorAluminiumGold
















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