Beyond Diamonds: Ultra rare precious minerals

May10,2025

Once listed in the Guinness Book of World Records as the world’s rarest gemstone.

Painite

Over 1,000 times rarer than diamonds.

Red Beryl (Bixbite) 

A color-changing gem rarer and costlier than diamond.

Alexandrite

Extremely rare, often mistaken for spinel but far more valuable.

Taaffeite

A bluish-green gem mostly found in Madagascar, prized for its rarity.

Grandidierite

One of the rarest gemstones on Earth, with few confirmed specimens.

Musgravite

A rare aluminum borate mineral valued by collectors.

Jeremejevite

An ultra-rare gem found only in Sri Lanka and Myanmar.

Serendibite

Changes color from blue-green in daylight to purple in incandescent light, rarer than diamond.

Blue Garnet

The most valuable type of opal, prized for its dark body tone and brilliant play-of-color.

Black Opal (from Lightning Ridge, Australia)