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Questions and Answers
Which type of luster is characterized by a high refractive index of 1.9 or more?
Which type of luster is characterized by a high refractive index of 1.9 or more?
- Pyrite
- Kaolinite
- Diamond (correct)
- Opal
Which type of luster is characterized by a dull appearance due to coarse granulations that scatter light in all directions?
Which type of luster is characterized by a dull appearance due to coarse granulations that scatter light in all directions?
- Kaolinite (correct)
- Opal
- Diamond
- Pyrite
Which type of luster is characterized by a greasy or oily appearance, containing a great abundance of microscopic inclusions?
Which type of luster is characterized by a greasy or oily appearance, containing a great abundance of microscopic inclusions?
- Kaolinite
- Diamond
- Opal (correct)
- Pyrite
Which type of luster is characterized by a metallic or splendent appearance, resembling polished metal?
Which type of luster is characterized by a metallic or splendent appearance, resembling polished metal?
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Which type of luster is characterized by thin transparent co-planar sheets?
Which type of luster is characterized by thin transparent co-planar sheets?
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