Alchemy surges to the forefront of many intellectually-driven cultures. From the Golden Age in Alexandria to Islamic mysticism and thence...

The Renaissance (c. 1350 - 1750) fosters the growth of alchemy through patronage and practice. A convergence of science, philosophy, and...

Cosimo Ruggeri is an Italian astrologer , alchemist, haruspex , favorite and advisor to the queen regent of France, Catherine de Medici....

The ancient Greek philosopher Empedocles of Sicily is an important figure in science and metaphysics. Based on Plato's work he...

Congelation is transformation of matter by freezing and crystallization. It's a straightforward process with many nuances. In spiritual...

The Sulfur-Mercury theory, an ancient cornerstone of alchemical thought, exemplifies the duality inherent in alchemy. The relationship...

The Philosophers' Stone or lapis philosophorum is a miraculous legendary substance. It holds secrets to an elixir of life, a cure for...

Salt is important from ancient to Renaissance alchemy, and still used today in alchemical projects, dyeing, cuisine and medicine. In...

Alchemy begins with several elements coming together at a crucial time in Alexandria, Egypt. As an international glass center, the city...

Numerology, the mystical study of numbers and their meanings, empowers people for centuries. A prominent figure in psychology and...

Dyers, coloring professionals, metal workers and gemologists seek vibrant colors and tones since early civilization. The first use of...

The practice of naming planets comes from the work of the Babylonians. The concept passes into the Greek, and from there, Romans begin...

The ancient Greeks are celebrated for their contributions to various fields such as philosophy, mathematics, and medicine. Among their...

"Hematite" comes from the ancient Greek for blood. The stone makes red dust when cut and polished. The red color isn't always visible at...

Aqua regia, Latin for “royal water,” is a powerful acidic solution known to dissolve noble metals like gold and platinum. It's used in...

Caput mortuum (Latin "dead head") is a purple hematite iron oxide pigment, used in oil paints and dyes. Due to cultural significance of...

Alchemy, a fusion of science, philosophy and mysticism, emerges in practice from the 1st century AD. Among the power civilizations of...

Among the showy flowering plants, perennial Asphodelus is an elegant and adaptable beauty. A genus of the Asphodelaceae or aloe family,...

In ancient Rome, the haruspex has a significant role in society as a trained specialist in the the practice of haruspicy. This form of...

Bernard Trevisan is a prototypical figure in alchemy, constructed by various alchemical writers of the medieval and Renaissance eras in...