Slate, Stone and Steel are on the rise, so why not Shale?

Johari is derived from the Arabic word jawhar, which evolved from the Persian word gouhar, both referring to gemstones. With its glitzy meaning and on-trend sounds, Johari has been quietly on the rise for boys in the US, with 32 boys given the name in a recent year.

Out-of-the-ordinary gemstone name derived from lapis lazuli, which is said to enhance awareness and intellect, impart ancient wisdom and cure many ailments, making it an interesting possibility for a blue-eyed girl. Lazuli — or Azure or Blue — are other options.

One of the jewel names in use a hundred years ago, for both boys and girls, due for revival along with sisters Ruby and Pearl. But interestingly, Garnet means pomegranate, the fruit who shares a deep red color with the jewel.

Bijou is a name that lives up to its definition -- a real jewel. Warning: not unheard of on poodles' dog collars. Actress Bijou Phillips is its best known bearer. It can also be spelled Bijoux.

This rarely used boys name is one of the few gem names for a boy. Obsidian is actually a type of volcanic glass, formed when lava cools very quickly. This ultra-cool name might spark a love of volcanoes and geology in a little boy.

So named because it emits sparks when struck with a stone.

Hira is a significant name in Islam, as in the Quran it is the name of the cave where Prophet Muhammed received revelations from Allah.

Rare, with a gleaming, golden image.

A name with an obvious meaning, for a long time associated with Golda Meir, the fourth Prime Minister of Israel. Nickname Goldie seems to be catching on in the celebrity community.

Diamond sparkled all through the nineties--reaching as high as Number 150 in 1999. Although its shine has diminished quite a bit, it remains in use.

Referring to a type of opalescent gemstone, usually white with blueish, pinkish, and yellow hues, Opalite can be naturally occurring, though it is often made artificially of glass. A beautiful gem and also the name of a Taylor Swift song, Opalite might appeal to those looking for a creative spin on rising star Opal.

Rosegold, or rose gold, is actually an alloy of gold and copper, used in jewellery for its warm, pinkish hue. It would make for a pretty and quirky girl name, with sweet short forms Rosie and Goldie.

Diamante was a commonly used feminine name among Italian Jews in the Middle Ages. Today, it's more popular for boys than girls in the US.

An interesting new surname option, derived from the German word for "kettle". Kes would make for a cool short form.

Yet another winning international form of Peter.

Carnelian is an ochre-colored semi-precious gemstone, named after a type of cherry.

Gemstone names have a long history of use, from Ruby to Pearl. Emeraude is the French word for emerald. If the Spanish Esmeralda is stylish, why not Emeraude?

Citrine is a type of quartz named after its citrus-colored hues. if Amethyst, Jasper, and Onyx (all other types of quartz) can be used, why not Citrine, which has a lovely French-sounding suffix. Citrine is one of the many rare and attractive girl names starting with C.

Also known as green beryl, Heliodor is the name of a sun-kissed colored gemstone. The name is reminiscent of other -dor names such as Theodore, Esidore, Isidor, Landor, Salvador etc.