Iron(III) oxide or ferric oxide (Fe2O3) yields a striking red color as a pigment, and has a wide range of uses. From industrial...

Bacteria affect food, water, soil, human health and the vibrant colors of art. Here are six remarkable bacteria known for stunning...

Sanguine is a rich, reddish-brown chalk beloved by Renaissance artists such as Michelangelo. Creating flesh-like tones in the human form...

Iron III acetate, or ferric acetate, is a non-toxic compound in numerous scientific and industrial applications. Ferric acetate is a...

Artists of Renaissance Europe cultivate palettes rich in colors sourced from elements both enchanting and lethal. The Renaissance is...

Gouache painting has a unique charm and offers versatility for artists and art appreciators. This unctuous type of paint delivers vibrant...

The Magnum Opus or Great Work is the goal of alchemists. From ancient Alexandria and the wisdom of Maria the Prophetess comes a color...

Rust, the reddish-brown coating that forms on iron or steel due to exposure to oxygen and moisture is a fascinating display of chemistry....

The Angel of Violet Light appears in the tomes of alchemy from the European medieval period onward. For many centuries the Angel drifts...

Indigo, deep blue dye from the Indigofera tinctoria plant, often associated with blue denim, is one of humanity's oldest dyes. The...

Mordants are part of the dyeing process and help achieve vibrant colors. Dyeing fabrics goes back to the Stone Age. Mordants are also...

Artists and craftspeople have used plant pigments as a source of color for millennia. Works of art and textile dyes using vegetable...

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...

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...

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