water stone or philosopher's stone, central main of the mystical alchemy. sacred geometry.

abstract aged alchemical alchemy ancient art astrology central circle concentration design esoteric ethnic for frame freemasonry geometric geometry heraldic illustration isolated line linear logo magic main masonic medieval motion mystery mystic mystical mysticism occult paganism philosopher philosophy print pyramid religion sacred sign sphere spiritual spirituality stone sulfur symbol tarot tatt tattoo the transmutation trendy triangle vintage water x27 your