Earth of Chios is a white to gray powdery mineral soil or fine grained clay found on the Greek island of Chios. Earth of Chios or Chian...

Displosis is the ancient practice of doubling gold. It's considered to be a skill of alchemists and early metal workers as well. If done...

Iosis and ios relate to the final stage of the the alchemical process, or rubedo in Latin. It can be called the reddening or purpling....

Zinc (Zn) is an essential metal of life and one of the four components in the Tetrasomia of Maria in alchemy. The 30th element on the...

Galls and gall nuts are growths on plants, particularly oak trees, used for a number of purposes throughout history. They form due to...

Known as the first true alchemist, Mary or Maria the Jewess is active in Alexandria c. 100 AD. Her work survives through commentaries...

Alchemy reveals a world of penniless mystics, befuddled interpretation, arts of coloring metals and the quest for healing. Making gold...

Lady Isabella Cortese is born in the 16th century into a wealthy family in Italy. In Venice, she transcends conventional norms to shine...

Renaissance herbal recipes focus on health and medicine, but can also include dyeing, coloring and pigment making. Botanical knowledge...

The Almadén Mines in central Spain have an infamous past driven by profit and greed. The deadly history of ancient Almadén revolves...

A vibrant golden spice, turmeric captivates kingdoms, heals the sick and rules the routes of the spice trade. The humble root has a long...

In alchemy, science and mysticism intertwine. Among the practical alchemical skills is dyeing of metals and gems. Alchemists from early...

Venetian Red, also called Mars Red, is a non-toxic iron oxide pigment used by dyers, painters and craftspersons since the early days of...

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...

Rust is a complex chemical reaction from the interaction of iron, oxygen, and moisture. This common phenomenon produces striking colors...

Goethite is common but like hematite a remarkable iron oxide mineral. In geology and mineralogy, goethite has piqued the interest of...

Iron is abundant in Earth's crust and one of the seven metals of antiquity . Essential for life, iron can form various oxides and change...

Make non-toxic iron oxide pigments for painting, dyes, glazes, artistic to industrial uses. Iron oxide (Fe2O3) or rust exists on Earth...

Copperas, iron(II) sulfate or green ferrous sulfate, is a versatile compound in various applications, from agriculture to water...