5. Black Opal – $3,500
Despite its name, this gem is actually rainbow colored and found almost exclusively in Australia, particularly in New South Wales. Its chemical formula is SiO2•n(H2O), also known as Hydrous Silica, without any defined crystalline shape. This stone is especially good for inspiring and promoting peace and calmness which makes it a great addition to any home, for only $3,500 dollars per carat!
If you think this stone is pretty, there are many more gemstones and minerals in the world with a shine, shimmer, and hue that will leave your eyes sparkling!
6. Benitoite – $4,000
(By Didier Descouens, Wikimedia Commons)
This frosted blue crystal, heavily resembling sapphire, was first discovered in 1907, and this rare beauty has been the official gem of the state of California since 1985. It’s mined almost exclusively in California.
This mineral is a barium titanium cyclosilicate, found mostly in places of low temperature and high pressure. The rarity of this gem makes it a highly sought after collectible, and costing $4,000 per carat, it makes for some expensive jewelry as well.
7. Musgravite – $6,000
(By DonGuennie, Wikimedia Commons)
Here’s yet another mineral from Australia, first discovered in 1967 in what is called the Musgrave Range in South Australia.
It is also known as magnesio taaffeite-6N’3S, and has the chemical formula Be(Mg, Fe, Zn)2Al6O12, and contains magnesium, iron, and zinc among many other chemicals.
This mineral has a bright color and a sheen. The stone is just hard enough to be ideal for carving and sculpting figures of all shapes and sizes, though usually on the smaller size, as this gem sells for $6,000 per carat.
8. Padparadscha Sapphire – $8,000
(By Alextryan, Wikimedia Commons)