Hornblende

At a glance
- Type
- Mineral
- Group
- Silicate
- Crystal system
- Monoclinic
- Hardness
- Hard (5.5 to 7.5)
- Density
- Medium (2.5 to 3.2)
- Occurs in
- Igneous rocks, Metamorphic rocks
- Foliation
- Not layered
- Colour
- Black, Green, Brown
- Lustre
- Glassy
- Use
- No special use
- Difficulty in WildGuessr
- Medium
Did you know?
- Its name comes from German: horn for its horn-like look, and blende, meaning deceiver, as it holds no useful ore.
- Hornblende forms many of the dark specks in granite and diorite.
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 Q1057300 · All stones · All entries

