Gypsum

"An Unusually Well-Preserved And Extensive Epigenic Gypsum Karst Terrain ... Some Of The Deepest Gypsum Caves In The World .. Very Large Gypsum Cone Features" (Ab Ev)

"Scattered Around Shark Bay, Especially Within Peron Peninsula Inside The Francois Peron National Park, Are Several Saline Lakes Of Gypsum, Known Locally As Birridas." (See Link)
See Www.Amusingplanet.Com

Gypsum Domes (Ouv)

"The Continued Evolution Of A Large Inland Delta, Salt Plains And Gypsum Karst Add To The Park’S Uniqueness." (Ouv)

"Splendid Forms Of Beautiful Gypsum Flowers, Delicate Gypsum Needles," (Ouv)

"The Largest Accumulation Of Gypsum “Chandeliers” " (Ouv)