Rock Identifier
Opalite (Synthetic glass / Opaque silicious glass) — gemstone
gemstone

Opalite

Synthetic glass / Opaque silicious glass

Hardness of 5.5 to 6 on the Mohs scale, milky white to translucent body color with a distinct blue or orange adularescence/glow, vitreous luster, amorphous crystal structure (glass)

Identified More gemstone
Explore Opalite in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Hardness of 5.5 to 6 on the Mohs scale, milky white to translucent body color with a distinct blue or orange adularescence/glow, vitreous luster, amorphous crystal structure (glass)

Formation & geological history

Man-made synthetic glass created in laboratories by fusing silica with other metal oxides to produce the characteristic opalescent glow

Uses & applications

Widely used in jewelry making, ornamental carvings, decorative items, and metaphysical healing practices

Geological facts

Despite often being sold under misleading trade names such as sea opal or opal moonstone, opalite is not a true mineral or natural opal, but rather an engineered glass. It is prized for its ethereal glowing appearance.

Field identification & locations

Easily identified by its smooth, milky appearance that glows bright blue when viewed against a dark background or under direct light; commonly found in metaphysical shops and jewelry stores worldwide