Gypsum : CSIRO Spectroscopy Database

Gypsum

Images

Shortwave UV photoluminescence image of a specimen of gypsum, from Willow Creek, Nantoon, Canada. Size: 6cm

© Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Photograph of a specimen of gypsum from Willow Creek, Nantoon, Canada. Size: 6cm

© Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Shortwave UV photoluminescence image of a specimen of gypsum from Willow Creek, Nantoon, Canada. Size: 6cm

© Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Gypsum crystals in the Chandelier Ballroom, Lechuguilla Cave, Eddy county, New Mexico, USA.

© Photo by JYB Devot (via Wikimedia Commons), CC-BY-SA 4.0

Photograph of a specimen of gypsum, from Willow Creek, Nantoon, Canada. Size: 6cm

© Photo (C) 2003 James O. Hamblen (http://hamblen.ece.gatech.edu/uvminerals/). Reproduced with permission.

Properties

Formula	Ca(SO₄)·2H₂O
Abbreviation	Gp
Classifications	Gypsum (supergroup), Calcium sulphate
Member	Selenite
Luminescence emitters	H2O, Singlet-triplet, SO4
IMA Status	Grandfathered (pre-IMA), antiquity
Search other databases	webmineral.com, mindat.org, rruf.info, fluomin.org, mineralienatlas.de, Handbook of Mineralogy, American Mineralogist Crystal Structure Database
Tags	Mineral, Sulphate , Hydrated

Composition

Element	Atoms
S	1
H	4
Ca	1
O	6
Total:	12

References

Reference	Lines	Spectra	Images
Gorobets and Rogojine 2002	1	0	0
Griffith 1974	17	0	0
Hamblen 2003	0	0	4
Ryskin 1974	6	0	0