Quartz
At a glance
- Type
- Mineral
- Group
- Oxide
- Crystal system
- Trigonal
- Hardness
- Hard (5.5 to 7.5)
- Colour
- Colourless, White
- Lustre
- Glassy
- Use
- Jewellery, Industry
- Difficulty in WildGuessr
- Easy
Did you know?
- Squeezed, quartz makes a tiny electric voltage, and a vibrating quartz crystal keeps watches and clocks accurate.
- Much of the sand on beaches and in deserts is made of quartz grains.
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.
Similar stones
Classification, names and conservation status come from Wikidata (CC0), the photo from Wikimedia Commons. Wikidata Q43010 · All stones · All entries