Emerald

At a glance
- Type
- Mineral
- Group
- Silicate
- Crystal system
- Hexagonal
- Hardness
- Very hard (over 7.5)
- Colour
- Green
- Lustre
- Glassy
- Use
- Gemstone
- Difficulty in WildGuessr
- Easy
Did you know?
- Egyptians mined emeralds more than 2,000 years ago in workings later nicknamed Cleopatra's mines.
- Almost every emerald has tiny cracks and inclusions that gem dealers call its jardin, French for garden.
Could you guess it from clues?
WildGuessr picks a secret animal, plant, fungus, stone, prehistoric creature or space object and you ask yes-or-no questions about it, such as its group or where it grows. The fewer clues you need, the more points you score.
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Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q43513 · All stones · All entries