Meliphanite is an extremely rare gemstone, and perhaps fewer than 5-10 faceted stones have ever been cut.

Marcasite has a long history of use as a decorative and jewelry material. However, this brassy colored, metallic stone is

Manganotantalite makes a spectacular red brown gem that is a very rare collector’s item. Transparent material is light enough in

While the colors of spessartite garnet gemstones cover a wide range of orange shades, the mandarin garnet is as pure

One of the rarer varieties in the garnet group, Mali garnet is a blend of grossular and andradite. This gemstone

Malaia or malaya garnets are typically light to dark, slightly pinkish orange, reddish orange, or yellowish orange in color. This a

Malachite is a beautiful decorative stone. Its rich, patterned coloration in shades of green is unique among gems. Malachite’s low

Transparent, gem-quality magnesite is rare and beautiful, with colors ranging from colorless, white, and gray to a yellowish brown.

Ludlamite has a lovely green color, but cut stones are extremely rare. Large crystals of this phosphate mineral are known

The blue color of linarite is magnificent, and it is a pity that large facetable rough has not been found.