Prehnite is typically yellow-green and pale-green, but it can also be colourless, white, grey, yellow, and bottle green. Named after Colonel Hendrik von Prehn (its discoverer), this gemstone is transparent...

Chlorite is a family of common sheet silicate minerals found in sedimentary, metamorphic, and igneous rocks. They form during the early stages of metamorphism, and most of them have an...

Beryl is a stone with a transparent, translucent, and vitreous lustre. It consists of beryllium, rings of silicates, and aluminum metals. Beryl can be colourless but also coloured (depending on...

Also known as acmite (green-coloured, fibrous variety), Aegirine may occur in combination with other minerals, such as Tugtupite, Albite, Kakotokite, and Arfvedsonite. The colour of Aegirine stones may look like...

Gold is a valuable metal and has a long history. It has a unique status for millennia and is one of the few metals that can be found in its...

Named after Greek helios and doron, meaning sun and gift, Heliodor is a crystal of honey to lemon-yellow colour. It also comes in yellow-green, light green, and greenish-yellow colour. Heliodor...

A common mineral, Gypsum has been known from antiquity. It's in sedimentary environments as Alabaster (massive material), Selenite (clear crystals), and Satin spar (parallel fibrous variety). Its colour varies from...

Updated July 16, 2023 by Alexandre Baillairge Moonstone comes in many colours, but only those with the most beautiful adularescence are cut as gems. Gray moonstone is often called the...

One of the most beautiful gemstones in the Petalite group, this orthoclase pyrite is often used against the evil forces of nature. It can be found colourless but also in...

Nautilus is an ancient sea creature related to octopuses and squids that has remained relatively unchanged for 450 million years. That is why it's known as the living fossil. Throughout...

Updated July 16, 2023 by Alexandre Baillairge Merlinite was named after Merlin, the wizard, because of its ability to attract magical and mystical experiences to those wearing it. It is...

Named after the Filipinas Larimar Mine in the Dominican Republic where it was found, Larimar is a rare blue mineral variety of pectolite. Pectolite is exploited as a gem material,...