
What is Tanzanite? Tanzanite was first discovered in the Merelani Mine located in the Arusha region of Tanzania, East Africa. It is a stone formed when vanadium, a type of mineral, entered the rock through some process. Its most distinctive feature is its pleochroism, appearing blue to purple. This phenomenon is extremely rare, meaning … Read More

There are many specimens such as cute berry pink raspberry cookies and orange hesonite gems. Grossularite(Grossular) have a pale green color and are therefore named after the Latin word for gooseberry. Japan call “Kai ban zaku ro ishi”.

Topaz, the birthstone for the month of November, is a beautiful transparent orange-yellow, and its color has been compared to sherry. It is a typical yellow gemstone, and perhaps because of this, jewelry with a yellow color is often given the pseudonym “topaz”. In fact, topaz is a gemstone with a great variety of … Read More

The hardest gem diamond on earth. Because of its hardness, the meaning of “connecting hard bonds” is included. It’s called “Kon go seki”.

It’s called Kuro-Tan-Paku-Seki. Black Opal is a greenish type of opal with black mottling and gold flecks. Usually found in ancient hot springs, the gem is usually tumbled smooth and cut cabochon.





