Hexagonal Mica Lamp Shade
Decorative art; Lighting fixture / Lamp shade • Attributed to the American Arts and Crafts movement; style consistent with workshops like Dirk Van Erp or Roycroft, though likely a contemporary period manufacturer.

Style & Movement
Arts and Crafts / Mission Style
Medium & Technique
Mica mineral sheets (likely shellac-bonded amber mica), copper or lead foil channeling, and a metal top heat cap with ventilation holes.
Creation Period
Early 20th Century, circa 1905–1920 (Arts and Crafts era)
Dimensions & Format
Estimated 8–12 inches in height; tapered hexagonal format.
Subject Description
A utilitarian yet decorative hexagonal tapered lamp shade. The focus is on the natural texture of the mica flakes which provide a warm, dappled glow when lit. It features a dark patinated metal frame and a top plate with circular ventilation holes for heat dissipation.
Condition & Value Assessment
Condition Assessment
Good; the metal shows a consistent aged patina. The mica panels appear intact without significant flaking, though there is visible surface dust and oxidation.
Estimated Market Value
$150 – $400 USD (depending on maker identification and size)
Auction Estimate
$100 – $300 USD
Provenance History
Unknown; likely acquired as part of domestic furnishings. No visible maker's marks are apparent in the image, which is common for smaller workshop pieces of this era.
Art Historical Significance
Represents the Arts and Crafts movement's emphasis on natural materials and 'honest' construction. Mica was a signature material of the era, popularized by Dirk Van Erp to evoke the look of stained glass with a more organic, earthy aesthetic.
Notable Features
Distinctive hexagonal geometry and the use of natural amber mica; the ventilation hole pattern on the top cap is characteristic of early 20th-century craftsmanship.
Condition Issues
Minor oxidation on the metal frame; surface grime on mica panels; potential brittleness of the organic binding agents due to age.
Conservation Recommendations
Clean gently with a soft, dry brush only. Avoid chemical cleaners or water on mica. Replace any period-appropriate hardware only if non-functional for safety.