Because there are so many kinds of colors, tourmaline is very close to the colors of many gemstones. For people who are less exposed to this type of gemstone, it is really difficult to distinguish at first glance; there are many gemstones with similar star faces to tourmaline, which are more likely to cause Troubled [...]
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En fait, the seeds of carob are not the same weight. Au cours des dernières années, some people in our country have collected hundreds of these seeds. After weighing them with a precision balance, they know that their actual mass is 143-240mg, which shows the big difference. Aujourd'hui, when the measurement method is becoming more sophisticated, pays [...]
Garnet is very unique among colored gemstones. It is a large category of gemstones, and can be divided into different categories below. Garnets of different textures are very different in color and properties, and prices vary greatly. Garnet is a collective name for a group of silicate minerals with different colors, the same crystal structure, [...]
Compared with the gorgeous gemstones, topaz is like an orchid in an empty valley, quietly blooming with an elegant temperament. Compared with shining diamonds, brilliant red rubies, and delicate emeralds, Topaz The stone has a simple but gorgeous unique beauty. Topaz is the birthstone in November. The fresh and elegant color is suitable for all [...]
On raconte qu'une princesse égyptienne aurait tenté d'assassiner le Pharaon., mais a été exilée sur une petite île de la mer Rouge-Topazos à cause de ses actes. Le texte original signifie "recherche" parce que l'île est couverte d'un épais brouillard toute l'année, et l'équipage doit travailler dur. La recherche terrestre ne peut arriver qu', donc [...]
Topaz is a kind of aluminosilicate chloride or hydroxide. It belongs to the orthorhombic mineral. L'indice de réfraction est 1.619-1.637, la différence de biréfringence est 0.008-0.010, the specific gravity is about 3.53, Et la dureté est 8. , Second only to red sapphire corundum, but its toughness is very poor, because the topaz crystal has a [...]
Spinel has always been regarded as ruby in the past, because it usually co-exists with ruby, and its appearance resembles ruby. Some famous rubies in history are actually spinels. Par exemple, the Black Prince's Ruby in the British crown and the Timur Ruby inlaid on a diamond chain are actually red spinels. pierre. Spinel used [...]
Même dans un ralentissement, Le marché du spinelle de haute qualité n'est pas inférieur à sa popularité. Si vous comparez Ruby et Red Spinel avec la même couleur et la même qualité, Le prix unitaire de Spinel par carat n'est qu'environ un tiers de celui de Ruby. It is a pity that many expensive rubies sell much faster [...]
The pink to lavender konsai stone is the best spokesperson for the pink series of gems. Some people may not be familiar with the konsai stone, but its beautiful hue is the favorite pink gemstone of collectors. It is a very young The gemstone was introduced by Dr. Kong Sai (Petite amie. Kunz) as a new [...]
The unique blue-purple tone is the most attractive charm of tanzanite, and the direct lineage of the African jungle further demonstrates the mysterious and exotic flavor of tanzanite. Tanzanite is lucky enough to be among the precious gems as soon as it appears with its unique and elegant hue! Tanzanite belongs to a mineral called [...]