
Agglomerate of gypsum with isometric particles (upper part)
and fibres (lower part)

X-ray spectrum acquired from the agglomerate
indicating the calcium sulphate composition

Detail from gypsum agglomerate showing the
fibrous particles

Airsample showing gypsum particles of different
morphology. Isometric particle (upper right) and
fibrous particles that often show a rhombic appearance.
Norwegian keywords: gipsstøv