🜃

A 'down' triangle, because earth sinks, with an added stroke because it sinks more than 🜄 (“water”).

🜃

1. (alchemy) earth, terra (one of the Classical element)

   Synonym:

   • 1797, Sigismund Bacstrom, transl., Chemical Moon-Shine: Wherein is Demonstrated the True Subject of Philosophy, Where We are to Look for it, & How it is to be Prepared (in English):

     It is of a Strange and wonderful Origin, it has inexhaustible properties, it is neither hot nor dry like 🜂, nor Cold nor humid like 🜄, nor Cold nor dry like 🜃, but it is a mixture of all the Elements;