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Metamorphic layer

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This is easily 200 rock doors minimum.

A metamorphic layer is a stone layer comprised of metamorphic rock. Metamorphic layers contain several unique and valuable types of gems; however, they are generally poor in metal ores, containing small clusters of iron at most. Furthermore the only metamorphic flux layer stone is marble.

Metamorphic rocks arise from the transformation of existing rock types, in a process called metamorphism, which means "change in form". The original rock is subjected to heat and pressure, causing profound physical or chemical change. The protolith may be a sedimentary, igneous, or existing metamorphic rock.

Metamorphic layers[edit]

The following types of metamorphic stone form layers:

Stone found in metamorphic layers[edit]

The following types of stone are found in formations within metamorphic layers:

Gems found in metamorphic layers[edit]

Metamorphic layers may yield the following types of gem:

* See also: stone found everywhere