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gypsum-stone

gypsum-stone

SRI Petrography ID: 65

gypsum-stone

Dekorgestein und Baugesteinsammlung
Area of usage: Ukraine - Oblast Lwiw / L'vivs'ka city council
NHM-Inv.-No.: E395
SRI-No.: 776-65

gypsum-stone

Dekorgestein und Baugesteinsammlung
Area of usage: Ukraine - Oblast Lwiw / L'vivs'ka city council
NHM-Inv.-No.: C3976
SRI-No.: 778-65

gypsum-stone
Alabaster

Kieslinger Dekorgestein und Baugesteinsammlung
GBA-ID.-No.: 3062, drawer-No: 231

gypsum-stone
Alabaster

Kieslinger Dekorgestein und Baugesteinsammlung
GBA-ID.-No.: 3102, drawer-No:

Names

[de] Gips
[en] gypsum-stone

Description

Gypsum is a weak but compact, transparent, white or grey coloured mineral of hydrous calcium sulfate (CaSO4*2H2O). Gypsum differs from anhydrite by having two molecules of crystal-water.

Color

colorless, white or gray coloured

Grain Size

Fine grained

Texture

massive, dense, banded

Minerals

gypsum, salt minerals, anhydrite, clay minerals

Occurences

worldwide

Comments

Transformation of anhydrous anhydrite into hydrous gypsum leads to an increase in volume and often causes serious problems in the engineering geology.

Classification

Class

SEDIMENTARY ROCKS

Broader Terms

non-carbonate salts

Narrower Terms

Czech Republic-gypsum-stone

Greece-gyspsum-stone