Gemstones Encyclopedia

Blue diamonds may be rare,

Cut boleite is strictly for

With light blue and green

Bornite is suitable only for

Brazilianite’s lovely green to yellow

Breithauptite is a curiosity cut

Brookite usually occurs in very

The most common of all

Brucites are extremely difficult to

Pale pink and brownish red

Although bytownite occurs throughout the

Several species of marine mollusks