Beryllonite crystals are colourless, white or pale yellow, nevertheless its weak fire and low dispersion turn it into a dull gemstone. Additionally, its softness, perfect cleavage, and brittle fracture allow it to be fragile, although carefully it might be faceted for collectors. Beryllonite is really a pegmatite mineral, found linked to the minerals phenakite and berylin in Mane in the United States. It's also present in Finland and Zimbabwe, but remains an uncommon gem. Beryllonite is known as following the beryllium content in the chemical composition. It's been wrongly identified as other colourless gemstones of low dispersion.
