This article is about the engine. You may be looking for the freight car.

Emerald is an engine from the Keystone Railway.


Emerald has so far only been seen in A Keystone Trip.


Not much is known about Emerald.


Emerald is a freelance design, although she resembles an LMS Ivatt Class 2MT tank engine, Arthur's basis. .


Emerald is painted light green with dark green lining. She has her gem on her coal bunker.



Emerald has a rectangular gemstone with a rectangle facet. It is green in colour and located on her side.



A real emerald gemstone.

Gemstone Information
  • Emerald is regarded as the traditional birthstone for May as well as the traditional gemstone for the astrological signs of Cancer.
  • Emerald is a gemstone of the beryl family, which also includes aquamarine and morganite.
  • Emeralds are also famous for their use in jewelry; they are among the top four most commonly used gems. The other three are diamonds, rubies, and sapphires.
  • Emeralds in antiquity have been mined in Egypt since 1500 BCE, and India, and Austria since at least the 14th century CE.

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