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Turquoise Crystals - Statistics
General Stats
- This quiz has been taken 13 times
- The average score is 2 of 6
Answer Stats
| Description | Answer | % Correct |
|---|---|---|
| Formed by water acting on aluminum and copper; popular as a protective amulet; fades in sunlight; porous - thus, can be discoloured by oil and grease | Turquoise | 73%
|
| Popular stone; variety of beryl; impurities of iron determine coloration which range from almost colourless to deep sea blue-green; found in pegmatite; forms hexagonal pencil shaped crystals | Aquamarine | 45%
|
| Popular gemstone; variety of the mineral feldspar; named after the most famous river in S. America | Amazonite | 36%
|
| Form of mineral pectolite; subtle turquoise blue with soft, white veining; only found in Mts of Dominican Republic; sometimes sold as "Dolphin Stone" and referred to as "Atlantis Stone" | Larimar | 27%
|
| Resembles ethereal landscapes or distant planets; forms where copper is exposed to air and water; mineral is rarely pure; very soft unless mixed with other minerals | Chrysocolla | 18%
|
| Has unusual silky, pearlescent lustre; its typical form is botryoidal; named for the British scientist James Smithson, who founded the Smithsonian Institution | Smithsonite | 18%
|
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