Skip to content

WildGuessr

Languages: English
Stones

Pegmatite

Pegmatite
Photo: No machine-readable author provided, CC BY-SA 2.5, Wikimedia Commons

At a glance

Type
Rock
Group
Igneous rock
Crystal system
None (a rock)
Hardness
Hard (5.5 to 7.5)
Density
Medium (2.5 to 3.2)
Occurs in
Igneous rocks
Foliation
Not layered
Colour
White, Grey, Pink
Lustre
Glassy
Use
Industry
Difficulty in WildGuessr
Hard

Did you know?

  • Pegmatites can hold crystals several metres long, among the biggest crystals ever found.
  • Pegmatites are an important source of lithium, tantalum and gemstones such as tourmaline.

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 Q105630 · All stones · All entries