Although abundant in various lava rocks, leucite is extremely rare in gem-quality form and often has a milky or cloudy […]

Although abundant in various lava rocks, leucite is extremely rare in gem-quality form and often has a milky or cloudy

Reddish granular or massive lepidolite is usually slabbed for ornamental purposes, such as ashtrays paperweights, and bookends. Faceted micas are

Too soft for jewelry use, legrandite is a popular collector’s mineral because of its intense yellow color and aesthetic crystal

Lazulite makes a magnificent, deep blue gemstone. Although the mineral itself occurs widely, gem-quality rough is limited. Specimens are prized

Lawsonite is extremely rare as a faceted stone, seldom reported and generally unavailable.

Laserblue is a rare, synthetic glass. It’s hard for glass but easy to chip.

Lapis lazuli has been used since ancient times and remains popular today. This gemstone has been prized for its bright,

This material is nondescript and is cut solely as a curiosity. The gems are soft, pale colored, or colorless, with

An overview on Labradorite Jewelry and Gemstones. Covers details and essential information on the physical properties and characteristics of Labradorite.