Satin Glass: Acid-Finished Victorian Art Glass
Satin glass is a type of art glass characterized by its soft, velvety, matte finish achieved by exposing the surface to hydrofluoric acid fumes after forming. Popular during the 1880s and 1890s, satin glass was produced in a wide range of colors and often features the distinctive diamond quilted (mother-of-pearl) pattern created by trapping air between two layers of glass. Major producers included Mt. Washington, Phoenix, and numerous English and Bohemian glasshouses.
History and Production
- 1880s-1890s: Peak production period during the Victorian art glass craze
- Key manufacturers: Mt. Washington Glass Company, Phoenix Glass Company, Stevens & Williams, Thomas Webb & Sons, and various Bohemian factories
- Mother-of-pearl (MOP) technique: Patented by Benjamin Richardson in England; glass blown into a patterned mold, then cased with a second layer, trapping air in the pattern; acid finish applied last
- Colors: Pink, blue, yellow, apricot, and rainbow (multicolored) are most common; green and white are less frequently seen
- Decline: Production waned after 1900 as taste shifted away from Victorian decorative excess
Identification
- Surface feel: Smooth, velvety texture with no gloss — the defining characteristic
- Diamond quilted (DQ) pattern: The most common and collected pattern; visible as a raised diamond grid with trapped air pockets
- Herringbone pattern: Less common variant of the mother-of-pearl technique
- Raindrop pattern: Circular air trap pattern, relatively scarce
- Weight: Quality satin glass is substantial — lightweight pieces may be later reproductions
- Pontil marks: Period pieces typically show ground and polished pontil marks
Types and Price Ranges
| Type | Description | Typical Price Range |
|---|---|---|
| Rose bowl | DQ pattern, single color | $75 - $250 |
| Vase, standard | 6-10 inches, DQ or plain | $80 - $300 |
| Vase, rainbow MOP | Multi-colored, DQ pattern | $300 - $1,200 |
| Ewer/pitcher | Applied handle, various patterns | $150 - $500 |
| Bride's basket | In silverplated frame | $200 - $800 |
| Sugar shaker | Metal top, DQ pattern | $150 - $400 |
| Cruet | With stopper, applied handle | $125 - $350 |
| Lamp | Complete with font and shade | $300 - $1,500 |
| Webb decorated piece | Enameled or coralene decoration | $200 - $1,000+ |
Condition Factors
- Surface condition: The satin finish is vulnerable to wear and water spotting; pristine finish commands premiums
- Color saturation: Rich, deep colors are preferred over pale, washed-out examples
- Pattern definition: In MOP pieces, clearly defined air traps indicate proper formation
- Applied parts: Handles, feet, and ruffled rims should be original and intact
- Metal fittings: Bride's baskets and sugar shakers with original silverplated frames or tops are worth substantially more
- Cracks: Internal stress cracks near applied parts are common and significantly reduce value
Collecting Tips
- Rainbow (multicolored) mother-of-pearl satin glass brings the highest prices and is the most visually dramatic
- Diamond quilted is the most popular pattern, but herringbone and raindrop examples are scarcer and increasingly sought
- Webb pieces with additional coralene (beaded) or enamel decoration represent the finest satin glass production
- Fenton and other 20th-century makers produced satin glass reproductions — these are lighter, less detailed, and have different base characteristics
- Bride's baskets in original silverplated frames are a crossover category appealing to both glass and silver collectors
- Pink and blue are the most common colors; apricot, yellow, and especially green examples are harder to find
- Complete sets (pitcher with matching tumblers, for example) are rare and command significant premiums