They are distinguished by their hardness.
Is marble a type of alabaster.
Marble comes in white gray green black pink and green.
Marble is a form of metamorphic rock that is characterized by an array of color due to the presence of impurities.
Pure alabaster is white and somewhat transparent which is.
There are various types of marbles and names vary from locality to locality.
Alabaster is a mineral or rock that is soft often used for carving and is processed for plaster powder.
Though alabaster is mainly found in white colour it also comes in many colours like pale brown and reddish.
Archaeologists and the stone processing industry use the word differently from geologists the former use it in a wider sense that includes varieties of two different minerals.
Alabaster a fine grain form of gypsum calcium sulfate dihydrate is a sedimentary rock made of tiny crystals visible only under magnification.
Onyx marble is a traditional but geologically inaccurate name because both onyx and marble have geological definitions that are distinct from even the broadest definition of alabaster.
Marble consists mostly of calcite or calcium carbonate different from the gypsum of alabaster.
The fine grained massive type of gypsum and the fine grained banded type of calcite.
Marble forms when limestone underground is changed through extreme pressure or heat transforming it into a crystalline structure.
In general ancient alabaster is calcite in the wider middle east including egypt and mesopotamia while it is gypsum in medieval europe.