Is Marble A Type Of Alabaster

Aggie made of agate aggie is short for agate or glass resembling agate with various patterns like in the alleyalley or real made of marble or alabaster alley is short for alabaster streaked with wavy or other patterns with exotic names like corkscrew spiral snake ribbon onyx swirl bumblebee and butterfly.

Is marble a type of alabaster.

Alabaster is a mineral or rock that is soft often used for carving and is processed for plaster powder. The fine grained massive type of gypsum and the fine grained banded type of calcite. 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. Though alabaster is mainly found in white colour it also comes in many colours like pale brown and reddish.

In general ancient alabaster is calcite in the wider middle east including egypt and mesopotamia while it is gypsum in medieval europe. 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. They are distinguished by their hardness. Marble forms when limestone underground is changed through extreme pressure or heat transforming it into a crystalline structure.

Unlike the alabaster marble can be polished heavily. Marble is a form of metamorphic rock that is characterized by an array of color due to the presence of impurities. Alabaster a fine grain form of gypsum calcium sulfate dihydrate is a sedimentary rock made of tiny crystals visible only under magnification. Pure alabaster is white and somewhat transparent which is.

Marble comes in white gray green black pink and green.