Color Testing Trivia Questions

46 Questions | Attempts: 60

Color Quizzes & Trivia

Questions and Answers
  • 1. 
    Is a model that describes the formation, breakdown, and reformation of a rock as a result of sedimentary, igneous, and metamorphic processes. Also, the ________is the flow of material from one rock type to another over geologic time
  • 2. 
    Naturally occurring compound or chemical element of atoms in a repetitive pattern
  • 3. 
    Most apparent property. Usually with metallic luster same color, but varied with non-metallic luster
  • 4. 
    Appearance of a mineral when light is reflected from its surface          Metallic: look like a metal, opaque, dull if exposed to air          Nonmetallic: Any color
Dull:Earthy appearance
Greasy: as if covered by oil
  • 5. 
    Resistance to scratching          Mohs Hardness: Fingernail, copper coin, glass,knife,plate
  • 6. 
    Color of mineral when powdered Helps identify metallic lusters because others have a light streak
  • 7. 
    •   Cleavage breaks or cleaves along parallel lines •                  Fractures break along random irregular suraces •                  Cleavage plains: 3 (90), 2, 1 *6-8 not common
  • 8. 
    Thin parallel grroves
  • 9. 
    White to dark grey; nonmetallic; 6 H;white streak; 2 cleavages (almost 90);          striations          Ca=gray to dark grey          Can be peacock blue in some light          Mafic  
  • 10. 
       White to dark grey, nonmetallic; 6 H,white streak; 2 cleavages (almost 90);          striations          Na=Creamy, light          Intermediate
  • 11. 
    Pink,white,gray,green;Nonmetallic-vitreous luster; 6 H; white streak; 2 cleavages          no striations          Semi-parallel veinlets          Intermediate
  • 12. 
    Varies in color (smoky, rose, milky..); Nonmetallic- vitreous luster; 7 H; conchoidal fracture;streakless because of hardness          Felsic
  • 13. 
    Tastes like salt          Sedimentary rocks          Colorless to white; cubic cleavage; 2.5 H; nonmetallic; white streak
  • 14. 
       Steel to dull red; Red to brown streak; 6 H; Fractured; metallic luster; flaky          Most sedimentary
  • 15. 
       Micas          Black to brownish black; nonmetallic vitreous; 2.5-3 H; faint gray streak; perfect cleavage; flexible & elastic in thin sheets          Intermediate
  • 16. 
    Clear, white, faintly colored; nonmetallic-vitreous;3 perfect cleavages; white streak          reacts with dilute hydrochloric acid - Bubbles
  • 17. 
    Silvery gray;metallic;2.5 H;Gray streak; Cubic cleavage
  • 18. 
    Gray to black; Metallic, 2-2.5 H,Dark gray streak;one cleavage;greasy luster
  • 19. 
    Colorless,white;nonmetallic vitreous; 2-2.5 H; one perfect cleavage;white streak          Elastic in this sheets          Felsic
  • 20. 
    Clear, white, light; 2 H, nonmetallic- vitreous to pearly; one cleavage, white streak          Brittle sheets
  • 21. 
    Green to black; H 5; 2 imperfect cleavages (90)- hard to see; Nonmetallic-vitreous to dull; White streak          Not splintery-blocky          Mafic
  • 22. 
    Black; H 5-6;2 perfect cleavages (124 & 56) ; Nonmetallic- vitreous; white streak          Cleavages give splintery look          Intermediate
  • 23. 
    Dark grey to black; 6 H; metallic; black streak; fractured          Attracted to magnet, high specific gravity
  • 24. 
    Yellow to green, granular, conchoidal fracture, 6.5-7 H, ;unstreakable-as hard as streak plates          May break into green granules          Mafic
  • 25. 
    Brass-yellow; 6 H; Metallic; fractured; green to black streak          Fool's Gold
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