Materials · common

Opalite

Opalite is a retail trade name for manmade opalescent glass and related opal simulants, commonly sold as tumbled stones or jewelry.

Opalite manmade opalescent glass reference photo
Photo: James St. John · Wikimedia Commons · CC BY 2.0

Opalite properties at a glance

TypeMaterials
Chemical formulaOpalescent silica glass
Mohs hardness5.5
Crystal systemamorphous
Lustervitreous
StreakWhite to colorless
CleavageNone
FractureConchoidal
Specific gravity2.4
Transparencytranslucent
Common colorsMilky White, Blue, Yellow, Opalescent
Raritycommon

Geology & background

Made as opalescent glass or another opal simulant that scatters light to produce blue and yellow glow.

Opalite is a modern crystal-retail and jewelry trade label for opal-like glass and simulants.

How to identify Opalite

  • Look for milky translucent glass with blue-yellow glow and smooth manufactured polish.
  • Check for bubbles or molded shapes that support a glass identification.
  • Do not identify retail opalite as natural Opal unless play-of-color and provenance support it.

Where Opalite is found

Opalite is a retail or manufactured material label; record seller disclosure and provenance when known.

How much is Opalite worth?

Entry-level specimen$3
Typical collector specimen$15
Premium specimen$70+

Value is usually decorative or lapidary-market value, not natural rarity. Price depends on size, polish, color effect, condition, seller disclosure, and craftsmanship.

Common uses

  • Tumbled stones
  • Jewelry
  • Decorative objects
  • Crystal retail

Interesting facts

  • Most retail opalite is manmade glass, not natural opal.
  • It often appears milky blue against dark backgrounds and warmer yellow against light.
  • Natural geology also uses opalite differently, so seller context matters.

Care & safety

Opalite may be glass, coated, dyed, or otherwise manufactured; handle it as a decorative material unless verified otherwise.

Avoid inhaling dust. Do not cut, grind, or polish unknown specimens without eye protection and a properly rated respirator.

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