Very widely is the short answer. If you have a crack at 'gypsum' in a reference work such as wikipedia, you'll find reference to the caves of giant gypsum crystals in the Naica mine in Mexico. These crystals are up to 12m long, 4m thick, and weigh up to 55 tons! But with a temp of just under 60oC and an RH of >>90%, time to explore is limited.
Back to the Q, large evaporite deposits of gypsum are found near the surface of the earth.
It is found as a mineral crystal.
Gypsum is formed underwater, usually between layers of shale and limestone. When the water evaporates and the area dries, the gypsum becomes solid "rock" gypsum.
Sulfur (sometimes spelled as sulphur, although this is not correct by current IUPAC rules) is commonly found near natural hot springs or near volcanoes. It's also found in the combined form in many minerals, such as pyrite and galena.
Gypsum is in Plaster and Silica is in silicone.
gypsum rock often forms when salt evaporates just like h2o 555 it does to that what i think 89392
Gypsum is commonly found in Mexico
Gypsum is found sea.
Gypsum is found in relation to sedimentary rocks. It's also found as a byproduct of sulfide oxidation.
the major deposits of gypsum found in Pakistan, in Dadukhel in Mianwali Punjab.
rajasthan
monserrat
Gypsum is really found all over the world, mostly in Britain or Italy.
secondary rock
Gypsum minerals can be found in various locations in the Philippines, such as in the provinces of Cagayan, Ilocos Norte, Isabela, and Bulacan. These regions have gypsum deposits due to the presence of volcanic activity and sedimentary rocks.
Jamaica
A gypsum plant? As in, you want to know where to purchase a factory for mining or processing gypsum? The mineral itself is pretty common and is found in lots of places.
It is found as a mineral crystal.