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Multicoloured Crystals - Statistics
General Stats
- This quiz has been taken 84 times
- The average score is 3 of 8
Answer Stats
| Description | Answer | % Correct |
|---|---|---|
| Rare feldspar; pieces with little iridescence tend to be a grayish colour; named after the region (Province) of Canada where it was discovered; has the effect of "labradorescence" | Labradorite | 79%
|
| Gem made by a living creature; hard to find in wild; soft; can be found in freshwater or from the sea; usually develops when part of a shell enters a mollusk; varieties include: Akoya, Tahitian, White, Golden South Sea, etc. | Pearl | 57%
|
| Many types of this stone: Andean, Cherry, Dark, Fire, Common, White, Tree, etc.; delicate mineral | Opal | 49%
|
| Tends to crystallize in hard rocks like quartz or granite; many types: Rubellite, Watermelon, Verdelite, Uvite, Achroite, Elbaite, etc. | Tourmaline | 28%
|
| Though not a true stone, the fossilized version can be considered a mineral/gemstone; formed from the skeletal remains of colonies of small sea animals and polyps; alive form is endangered | Coral | 24%
|
| Common ore of copper; aka peacock ore; brassy yellow when unweathered; usually found in massive form; hardness around 3.5 - 4 | Chalcopyrite | 13%
|
| Mixture of pink feldspars, quartz, and green epidote; appearance has contrasting areas of pink and green; usually seen in the form of beads, tumbled stones, or cabochons | Unakite | 11%
|
| Has a swirling contrast of colours - dynamic sinuous pattern; derives from layers of sand/silt that have been cemented by quartz in the form of blue falcon's eye and yellow gold tiger eye | Pietersite | 3%
|
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