You can find eternal happiness and wealth.
Although rainbows are common, they always can't find a starting point.
A jewel hidden at the foot of a rainbow.
It was called "tourmaline" by later generations.
Also known as the "rainbow falling into the world"
The Origin and Development of Tourmaline
Since ancient times, tourmaline has been the first choice for jewelry collectors. In ancient Greek mythology, tourmaline is the embodiment of fire left by Prometheus; According to ancient Egyptian legend, tourmaline is a rainbow leading to the sun along the center of the earth. It is known as the rainbow fairy who fell into the world, with endless colors and far-reaching cultural value. So, when and where was tourmaline first discovered? This issue of Bian Xiao will explore the origin of tourmaline exclusively for you.
Tourmaline fell into the world.
/kloc-in 0/500, a Portuguese expedition discovered a gem in Brazil, which shone with colorful neon lights like a rainbow from the sky to the center of the earth. Ordinary stones bathed in rainbows have harvested all kinds of colors in the world along the way and have been washed crystal clear.
On a warm summer day in Amsterdam, the Netherlands, several children were playing with stones brought back by Dutch navigators. When they found strange phenomena in the sun, they called their parents to see them. They were surprised to find that this stone has the ability to attract or repel light objects, such as dust and grass edges. Therefore, the Dutch call it a "vacuum stone", which is actually caused by the pyroelectricity of tourmaline. This is the origin of tourmaline, also known as tourmaline.
Tourmaline is circulated in China.
In China, the seal is the seal and symbol of the emperor, giving tourmaline the name "tourmaline", which shows its popularity in ancient times. There are descriptions in ancient books, which are called "tourmaline", "Biya bone" and "Bixia seal". The red one is called "Baby Face", which is the highest quality tourmaline. Court nobles often own this kind of gem as an ornament. There are many tourmaline collections in the Palace Museum now. Modern people still love its colorful colors and regard it as the birthstone of 10 together with opal, symbolizing happiness and peace.
Now tourmaline has become the new favorite of jewelry market. Its bright luster and colorful colors meet people's hearts, just like a strange rainbow on the earth, shining in a quiet corner. Tourmaline is so beautiful that it is loved by more and more people. So, when buying tourmaline, how should I choose?
How to choose tourmaline?
Generally speaking, the quality evaluation standards of a tourmaline include: transparency, color, clarity, cutting and carat weight, namely 1T and 4C standards.
Although the value of tourmaline can't be compared with traditional gemstones such as red sapphire, if comprehensive factors are considered, tourmaline still has high value, such as rose red and purple red value. Blue tourmaline is relatively rare, so its value is high, and some multicolor tourmalines and starlight tourmalines are no exception, which have certain market value-added space.
Transparency: tourmaline requires crystal clear, the more transparent, the better the quality.
Color: tourmaline is rich in color. Tourmaline is more precious among red, blue and green, which requires uniform and gorgeous colors. The more expensive tourmaline is two-color tourmaline or multi-color tourmaline, and the watermelon tourmaline with infrared green inside is also more precious; In addition, the cat's eye tourmaline belongs to the top grade of tourmaline.
Cleanliness: tourmaline is brittle, prone to cracks and contains a lot of inclusions. The existence of a large number of cracks and inclusions will affect the transparency, color and fire color of tourmaline, and the tourmaline with very pure interior is also rare and belongs to the top grade. When choosing, try to choose the one that is clean inside.
Cutting: the cutting of tourmaline refers to the accuracy of its cutting and grinding ratio and the perfection after finishing. Good cutting should reflect the brightness and fire color of tourmaline as much as possible.
Carat weight: the weight of tourmaline in carat is 1 carat = 200mg = 0.2g. Under other similar conditions, with the increase of tourmaline weight, its value increases geometrically; Tourmaline with the same weight will have different values due to different colors, cleanliness and cutting work.