Ginza Official Recommended News

2017.12.11

"Hauynite" is one of the minerals that make up the famous "Lapis Lazuli". "Lapis lazuli" is formed by the mixture of blue minerals with different hue such as Hauynite, Lazurite, Sodalite etc.. Among them, Hauynite is said as the most beautiful minerals. Since hauynite is a rare crystal to appear...

2017.12.06

The light that comes out from Star Sapphire like a six-rayed star is from the inside of the stone, the "Silk Inclusion", where at the three dimensional intersection, the light is reflected. Star stone is usually with low "transparency". However, when seeing the stone with magnifying glass, the l...

2017.11.29

* The image shown is for illustrative purposes only. Ichii-itto-bori is a traditional woodcarving technique of Hida Takayama, in which the wood is left uncolored to bring the natural beauty of the grain to life. This variety of carving is characterized by the beauty of the untreated...

2017.11.20

Including the sunlight, the black light, etc there are many types of "Ultraviolet". Due to this too, there is transform on some diamonds, not all. In another word, only some diamonds that carry "fluorescence characteristic" show effects under ultraviolet light. When subjected to ultraviolet light...

2017.11.09

"Sphene", also known as "Titanite". Its name comes from "titanium", the main element that form the crystal. Titanium, a strong ally to those metal with allergy that form the "blue sapphire" when meet with "corundum" and sometimes form decoration on the surface of ruby and sapphire with crystal lik...