Compact, fibrous material is cabbed because the fibers provide a chatoyancy that sometimes yields weak catseyes. Coloration in the material […]

Explore moonstone’s value, meaning, and properties. Discover why this gem’s shimmering beauty makes it a top jewelry pick!

Monazite may be partially metamict, with N=1.79. Stones can be an attractive yellow or brown color but are usually small.

An olive to bottle-green natural glass, moldavite is a rare material popular with collectors of unusual gems as well as

Transparent mimetite crystals are extremely rare, and very few have ever been faceted. Cabochons with rich orange and yellow colors

Millerite has a rich, attractive yellow color. Massive millerites can sometimes be cut into cabochons but are too soft for

Very rare milarite crystals can occur in green and yellow colors. Transparent material can yield small but pleasant looking faceted

Ranging in color from pale yellow to brown, reddish, and green, microlite cabochons are prized by collectors. Faceted gems are

Microcline is a variety of feldspar. The only microcline you are likely to encounter is amazonite.

Mellite is a rare and unusual organic gemstone. Although soft and fragile, the “honey stone” is quite beautiful when cut.