It is lightfast and permanent, with none of the transient color fade that plagues most turquiose. Turquoise has a unique porous nature that produces granular washes. Drybrush work has the intense texture found only in a mineral pigment. Semi-transparent. Non-staining.
A unique and vibrant blue, the gemstone comes from Sleeping Beauty Mountain in Arizona. Historic references of Turquoise date back as far as Egypt’s first dynasty. Turquoise from the American Southwest has been unearthed in Aztec ruins and Persian turquoise was used as trading currency.