Today we talk about the world’s top five precious stones are: diamonds, rubies, sapphires, emeralds, golden green cat’s eyes, with a high value of preservation and collection!
1、Diamond
Mineral name diamond, composed of pure carbon, hardness of 10, is the hardest substance naturally occurring in nature, known as the “king of gems”. Colorless and transparent are the most common, there are also colored diamonds, such as powder, yellow, green, blue, etc., and the quality is expensive.
Diamond has a famous advertising slogan: a diamond is forever, a diamond will last forever, because it really will not be wiped out by anything.
2、Ruby
Corundum mineral, hardness 9. It is red to pink because it contains chromium, and the higher the chromium content, the more vivid the red. Among them, “pigeon blood” is the most cherished.
Rare and precious, rubies are mainly produced in Myanmar, Thailand, Madagascar, Tanzania, Vietnam, Sri Lanka, Australia, the United States and Yunnan and Xinjiang in China.
Its hot red color symbolizes passion and fire, which is like the love of two people, so it is also called the “stone of love”, which is regarded as the representative of beauty, eternity and constancy.
3、Sapphire
Corundum mineral, hardness 9. Gem-grade corundum, in addition to red ruby, the rest are called sapphire.
There can be blue, yellow, green, colorless, etc., and even a single gem has multiple colors. Sapphire main production areas are: Myanmar, Indian Kashmir, Madagascar, Sri Lanka, Thailand, Australia, China and so on.
4、Emerald
It is a beryl mineral. Hardness 7.5-8. Because of its crystal structure contains chromium and vanadium elements and presents a pure and beautiful green, is regarded as a precious stone.
The world’s emerald mines are mainly distributed in Colombia, Brazil, Zambia, Russia, South Africa, Zimbabwe, China and other places. Colombian emeralds are famous all over the world for their quantity, quality, color, clarity and beauty.
Emerald, also known as the king of emeralds, symbolizes the stone of happiness, representing luck and opportunity.
5、Cat’ s Eyes
Compared to the preceding gemstones, chrysoberyl is probably the most neglected precious stone.It’s a cat ‘s-eye chrysoberyl, a beryllium spinel mineral. Hardness 8-8.5. Rare in nature, the Sri Lankan cat’s eye is the most famous. It is mostly yellow, brown and green.
When chrysoberyl has a discoloration effect, it is alexandrite, also known as Alexandrite. Cat’s eye alexandrite, which has both cat’s eye effect and color change effect, is more rare and precious.
（There is a light like cat’s eye on the curved surface of the cut stone, which is gentle and charming, that is, cat’s eye effect. There are many gems with cat’s eye effect: Chryseberyl, tourmaline cat’s eye, crystal cat’s eye, tiger’s eye cat’s eye, opal cat’s eye, emerald cat’s eye, etc. However, only chryseberyl cat’s eye can be referred to as cat’s eye, and other gems with cat’s eye effect must add mineral names, such as quartz cat’s eye, can not simply omit the word “quartz”. This is the national standard and recognized by the world.）
☆We will share the knowledge of jewelry every day, follow us to show you more!
