Diaspore

Image

Diaspore from Selçuk, Muğla Province, Aegean Region, Turkey. This is a particularly robust and gemmy, twinned crystal. It is complete-all-around, and shows unusually well-developed, broad terminations. Ex. Bill Larson Collection. Joe Budd photo

© Photo by Rob Lavinsky, iRocks.com – CC-BY-SA-3.0

Properties

Formula AlO(OH)
Abbreviation Dsp
Classifications Diaspore (group), Minerals containing OH
Luminescence emitters Mn, OH
IMA Status Grandfathered (pre-IMA), 1801
Search other databases webmineral.com, mindat.org, rruf.info, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Related materials Boehmite, Böhmite
Crystal symmetry Orthorhombic, Point group mmm, Space group Pnma (#62)
Tags Mineral, Hydroxide

Composition

Element Atoms
H 1
Al 1
O 2
Total: 4

References

Reference
Lines Spectra Images
Ryskin 1974 4 0 0
Tarashchan 1978 1 0 0