1, blue diamond
Blue diamond is the most valuable mineral in the world, and its overall price is relatively expensive and very rare. Moreover, as a kind of hard mineral with good glass luster and blue color, diamond belongs to the world and is very ornamental.
2. Beryllium magnesium spar
This is a very rare gem in the Tafeishi family. This mineral was first discovered in Mount musgrave, South Australia. At present, it also appears in other regions, such as Antarctica, Greenland and Madagascar, but the number is very limited.
3. Emerald
Jade is the most expensive, beautiful and rare variety of jade. Jade block is very hard, with excellent wear resistance and strong fracture resistance. The main factors that determine its value are its color depth and transparency.
4. Alexander changed stone
Emerald is a very rare (and difficult to obtain) gem variety. It is popular because it has excellent optical properties and contains rare mineral combinations, including chromium, iron and titanium. So it has a strong polychromatic color, which means that it will change color when it rotates in your hand.
5. Andalusite
Ruby is an extremely rare beryl, which was first discovered by Maynard Bixby in 1904. The hardness of beryl is 7.5 to 8, which makes it have high wear resistance, but because of its rarity, it is more common in mineral collections than in jewelry collections.
6. Padparadscha Corundum corundum
The rarest gem in the world has a beautiful pink color, showing a mixture of ruby and yellow sapphire. This gem is usually produced in Sri Lanka or Madagascar and Tanzania.
7. Blue cone mines
Blue cone mine is one of the most beautiful gems, with striking blue color and higher dispersion than diamond. It was discovered in the upper reaches of the San Benito River in San Benito County, California, and now it has been declared a national gem. In addition, it looks attractive under ultraviolet light, and it emits fluorescent blue chalk color.
8. Black opal
Black opal is considered as the rarest and most popular opal, and most of the global supply comes from Lightning Ridge, New South Wales, Australia.
9.garnet
A green gem with diamond luster, the brightest gem in the world, and a garnet-garnet, which is very rare. Gemstones are usually small in size, because they are in short supply and can only be seen on antique jewelry.
10, taffeta stone
1945, gemologist Richard taffy found this diamond in a jewelry store in Dublin, Ireland. Before he discovered it, it was mistaken for spinel, which only existed in Tanzania and Sri Lanka. It is so rare that it is considered to be one million times more precious than diamonds.