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Stones

Heliotrope

Heliotrope
Photo: Ra'ike (see also: Ra'ike), CC BY-SA 3.0, Wikimedia Commons

At a glance

Type
Mineral
Group
Oxide
Crystal system
Trigonal
Hardness
Hard (5.5 to 7.5)
Density
Medium (2.5 to 3.2)
Occurs in
Igneous rocks, Sedimentary rocks
Foliation
Not layered
Colour
Red, Green
Lustre
Glassy, Dull
Use
Jewellery
Difficulty in WildGuessr
Hard

Did you know?

  • Bloodstone is dark green chalcedony with red spots of iron oxide that look like drops of blood.
  • Bloodstone is also called heliotrope, from Greek words meaning to turn toward the sun.

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 Q430174 · All stones · All entries