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hessonite
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hessonite
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Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones
Quick Facts
Also called:
Essonite, or Cinnamon Stone
Related Topics:
gemstone
grossular
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hessonite
hessonite

hessonite

mineral
Also known as: cinnamon stone, essonite
Written and fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
Britannica Editors
History

hessonite, translucent, semiprecious, reddish-brown variety of grossular (q.v.), a garnet mineral.

This article was most recently revised and updated by Amy Tikkanen.