Gamblin 1980 Oils - PBr7-Burnt Sienna (Calcined natural iron
oxide)
Gamblin’s approach is different. 1980 colours contain pure
pigments, the finest refined linseed oil, and marble dust (calcium carbonate).
Since oil painting began, these three ingredients have made more affordable colours.
Painters experience true colours without homogenized texture
or muddy colour mixtures. Gamblin's approach of using both traditional raw
materials and processes ensures that artists experience the luscious working
properties that they expect from their oil colours.
Burnt Sienna: Natural calcined (roasted) earth pigment. Opaquer
today more than 200 years ago. For greater transparency, consider Gamblin
Transparent Earth Colours and Van Dyke Brown.
PIGMENT COMPOSITION AND PERMANENCE
- Pigment Name: PBr7-Burnt Sienna (Calcined natural iron
oxide)
- Pigment Type: earth
PROPERTIES
Burnt Sienna is a warm, mid-brown colour formed by burning
the yellow-brown limonite clay called Raw Sienna. Due to the combination of its
opaque, red-brown mass tone and its transparent, orangey undertone, it ranges
from semi-opaque to semi-transparent.
It is an excellent mixing complement for blues and greens,
creating salmon or peach-coloured tints when mixed with white. It can help
subdue bright colours and avoid getting chalky in dark mixtures.
PERMANENCE
Burnt Sienna has good permanence and is considered one of
the most versatile permanent pigments.
TOXICITY
Burnt Sienna has no significant hazards.
HISTORY
Burnt Sienna has been used as a pigment since prehistoric
times, but its current name came about during the Renaissance. It comes from
Siena in Italy and is short for terra di Siena, meaning the earth
of Siena.
Sienna was famous for mining and producing earth pigments
from the Renaissance until World War II. Due to the depletion of clay deposits
in Tuscany, Italian siennas now come from other areas, including Sicily and
Sardinia.
