Aur (previously known as Ara) is one of the base metals from the alloy alignment system based on gold. It represents a gender that is, to some degree, masculine in nature. How one expresses or experiences masculinity is defined by them. An aur person can have any alignment or presentation.
History
Aur was originally coin on December 1, 2018 by Hail, the original owner of the Tumblr blog lgbt-alchemy[1]. At this point is was called known as ara and the plural form is arum. On December 19, 2019 the alloy alignment system was reworked by Tired, the new owner of the blog[2]. In this rework the name of the term was change to aur. It's unknown what the plural form of the new term would be.
The flag is based on the color of gold, and the symbol used is the alchemical symbol for the sun, which is associated with gold.
The name of the term comes from the chemical abbreviation for gold (Au).