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 [...]
Αρχείων κατηγορίας: Νέα
Οντως, οι σπόροι του χαρουπιού δεν έχουν το ίδιο βάρος. Τα τελευταία χρόνια, κάποιοι άνθρωποι στη χώρα μας έχουν μαζέψει εκατοντάδες από αυτούς τους σπόρους. Αφού τα ζυγίσουμε με ζυγό ακριβείας, γνωρίζουν ότι η πραγματική τους μάζα είναι 143-240 mg, που δείχνει τη μεγάλη διαφορά. Σήμερα, όταν η μέθοδος μέτρησης γίνεται πιο περίπλοκη, χώρες [...]
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 [...]
It is said that an Egyptian princess tried to assassinate the Pharaoh, but was exiled to a small island in the Red Sea-Topazos because of her deeds. The original text means "searching" because the island is covered by dense fog all year round, and the crew must work hard. Land search can only arrive, έτσι [...]
Topaz is a kind of aluminosilicate chloride or hydroxide. It belongs to the orthorhombic mineral. Ο δείκτης διάθλασης είναι 1.619-1.637, η διαφορά διπλής διάθλασης είναι 0.008-0.010, the specific gravity is about 3.53, και η σκληρότητα είναι 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. Για παράδειγμα, the Black Prince's Ruby in the British crown and the Timur Ruby inlaid on a diamond chain are actually red spinels. πέτρα. Spinel used [...]
Even in a downturn, the market for high-quality spinel is not lower than its popularity. If you compare ruby and red spinel with the same color and good quality, the unit price of spinel per carat is only about one-third of that of 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 (GF. Kunz) as a new [...]
Ο μοναδικός μπλε-μοβ τόνος είναι η πιο ελκυστική γοητεία του τανζανίτη, και η άμεση καταγωγή της αφρικανικής ζούγκλας δείχνει περαιτέρω τη μυστηριώδη και εξωτική γεύση του τανζανίτη. Ο Τανζανίτης έχει την τύχη να βρίσκεται ανάμεσα στα πολύτιμα πετράδια μόλις εμφανιστεί με τη μοναδική και κομψή του απόχρωση! Tanzanite belongs to a mineral called [...]