Yes. They're the same.
First of all, Gypsum is a mineral, and Rock Gypsum is a rock, don't get them confused. Second of all, no they aren't. Rock Gypsum is a sedimentary rock, and an alternate name for it is Alabaster.
Gypsum is actually a major rock forming mineral. Rock gypsum is a chemical sedimentary rock.
The main thing made from gypsum is the building supply called sheet rock. That is what is used for many indoor walls.
Physical precipitation of gypsum due to the evaporation of seawater produces sedimentary rock called gypsum rock or rock gypsum.
Rock salt and gypsum are not varieties of dolomite.
gypsum is used in sheet rock
Yes. 'SheetRock' is a particular brand name for gypsum board. I believe 'Drywall is, too.
No, gypsum is basically the same thing as school chalk. If you eat gypsum, you will probably just get constipated. This will probably have the opposite effect of the one you are looking for.
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.
Gypsum rock is usually colorless or white, but it can also be found in shades of pink, gray, or brown due to impurities present in the mineral.
secondary rock
Rock salt and rock gypsum are predominately the minerals halite and gypsum respectively. Quartzite is also predominately the mineral quartz.