Nambulite Value, Price, and Jewelry Information
The color of Namibian nambulite is a striking orange-red, very intense, and not really like any other gem I have seen. Cut stones would be both extremely…
Monazite Value, Price, and Jewelry Information
Monazite may be partially metamict, with N=1.79. Stones can be an attractive yellow or brown color but are usually small.
Mordenite Value, Price, and Jewelry Information
Compact, fibrous material is cabbed because the fibers provide a chatoyancy that sometimes yields weak catseyes. Coloration in the material…
Meliphanite Value, Price, and Jewelry Information
Meliphanite is an extremely rare gemstone, and perhaps fewer than 5-10 faceted stones have ever been cut.
Manganotantalite Value, Price, and Jewelry Information
Manganotantalite makes a spectacular red brown gem that is a very rare collector’s item. Transparent material is light enough in color to allow…
Linarite Value, Price, and Jewelry Information
The blue color of linarite is magnificent, and it is a pity that large facetable rough has not been found. Clean areas of crystals are usually very…
Lepidolite Value, Price, and Jewelry Information
Reddish granular or massive lepidolite is usually slabbed for ornamental purposes, such as ashtrays paperweights, and bookends. Faceted micas…
Lawsonite Value, Price, and Jewelry Information
Lawsonite is extremely rare as a faceted stone, seldom reported and generally unavailable.
Langbeinite Value, Price, and Jewelry Information
This material is nondescript and is cut solely as a curiosity. The gems are soft, pale colored, or colorless, with no fire. Few cut stones have been…
IGS Become Member