it is sometimes white, and also sometimes some look like regular rocks
Solid gypsum density is 2312 to 2322 kg/cubic meter or 2.312 to 2.322 g/cc. These are "as measured" values indicating some variation in the gypsum crystals. By the molecular formula, calcium sulfate with two water molecules should weigh 2.308 gm/cc. If not solid, then broken gypsum density ranges from 1290 to 1600 kg/m3.
This boardis similar in composition to Type X drywall, except that it has more glass fibers, and, it has another ingredient in the gypsum core. This ingredient is a shrinkage-compensating additive, a form of vermiculite. When exposed to high heat, the gypsum core shrinks but the shrinkage-compensating element expands at about the same rate as shrinkage occurs in the waterdepleted gypsum. The gypsum core then is more stable in a fire and remains in place even after the combined water in the gypsum has been driven off.
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Plaster of Paris is formed from gypsum. The gypsum is heated to 150 decrees Celsius and becomes a dry powder. When this powder is mixed with water it re-forms into a paste and eventually hardens into a solid. The powder mixed with water is held together by hydrogen bonds in the water molecules. This is a week bond that is easily broken. When Plaster of Paris and water are mixed together they undergo a chemical change. The particles rearrange to make a completely new substance. When plaster of Paris and water are mixed together the mixture becomes warm releasing energy in the form of heat therefore undergoing a chemical change.
No, gypsum cannot scratch topaz. Minerals with a higher number on the Moh's Hardness Scale can scratch minerals that are lower-numbered, but lower numbers can't scratch higher numbers. A mineral would have to have a number higher than an 8 on the Moh's hardness scale in order to scratch topaz.
Ask your doctor to change the cast.
Get another type of cover that doesnt smell
No, gypsum does not fizz in hydrochloric acid (HCl) like carbonate minerals do. Gypsum is a sulfate mineral composed of calcium sulfate dihydrate, so it does not react with HCl to produce carbon dioxide gas like carbonates do.
Bauxite can be white, gray and yellow. limestone is gray Gypsum is Orange brownish.
gypsum rock often forms when salt evaporates just like h2o 555 it does to that what i think 89392
Yes when its habit is that of a desert rose.
Smell like eggs
What does the Everglades smell like
They smell like a starfish
what does tungsten smell like
Gypsum has a hardness of 2 on the Mohs scale, which means it can be easily scratched by substances like a fingernail. In comparison, talc, which is the softest mineral, has a hardness of 1, while gypsum is much softer than common materials like chalk or soapstone. This makes gypsum a relatively soft mineral, easily identifiable by its ability to be scratched with minimal force.
No, alabaster and gypsum are not the same mineral. Alabaster is a form of gypsum that is more compact and fine-grained, often used for carving sculptures and decorative items. Gypsum, on the other hand, is a soft sulfate mineral commonly used in building materials like drywall.