Brown Alabaster Pigment

Description

Brown Alabaster is a soft, natural mineral pigment produced by finely grinding varieties of the stone alabaster, a crystalline form of gypsum often veined or tinted with iron oxides and other mineral inclusions. This creates a pigment in warm brown to reddish brown shades with subtle variations and depth.

The resulting powder is smooth, semi-opaque, and produces earthy, subdued tones perfect for naturalistic palettes. It can be used in fresco, oil, tempera, watercolor, and mixed media, lending a soft glow due to alabaster's crystalline structure.

History

Alabaster has been prized since antiquity as both a decorative stone and pigment source. Ancient Egyptians carved alabaster into vessels and ground it into powders for wall painting and ritual use. In Mesopotamia and Rome, the stone was used for sculpture, plaster, and architectural decoration.

The brown varieties, tinged with iron rich inclusions, were occasionally prepared as pigments to produce warm, earthy tones. In fresco and manuscript work, alabaster based pigments provided soft, semi-transparent browns and were sometimes mixed with stronger ochres or umbers for depth.

Though less common than ochres, Brown Alabaster pigments have an important place in historical craft traditions, especially where stone working and painting intersected.

Pigment Information

Pigment Type: Natural Mineral Pigment (gypsum with iron oxide inclusions)
Chemical Composition: CaSO₄·2H₂O with Fe₂O₃ traces
Source: Ground natural alabaster stone
Origin: Europe (natural)
Suitable Mediums: Fresco, Tempera, Watercolor, Mixed Media (limited use in oils)
Lightfastness: Excellent
Opacity: Semi-opaque
Other Names: Gypsum Brown, Alabaster Earth
Color Index Code: N/A (natural mineral)

Health and Safety

• For art use only. Not for cosmetic, food or children's use.
• Keep out of reach of children and pets. Do not eat, drink or smoke while working.
• Avoid creating or breathing dust. Work in a ventilated area and wear a NIOSH approved dust respirator (P100 or better) when handling dry pigment.
• Wear gloves and eye protection. Wash hands and work surfaces after use, and never rinse pigment into drains.
• Do not spray apply, sand or burn.
• If swallowed or if you feel unwell, contact a poison control center (U.S. 1-800-222-1222) or a doctor.
• Safety Data Sheet available on request.