Categories
- Announcement (6)
- Article (302)
- Jewelry of the Week (6)
- Programs (11)
gems Archive
-
The Gems’ Features of Cleavage, Fracture and Fissility
Posted on April 12, 2010 | No CommentsCleavage is the physical property that when the crystal gem is beat by outside force, it will crack along definite crystal orientation, the chapped, smooth and glossy side is called... -
More about Cultured Pearls which using in jewelry
Posted on February 22, 2010 | No CommentsThe pearl, symbol of purity, virtue and modesty, is also one of the most precious types of jewelry. Technically known as “organic gems” since they are formed by shellfish, pearls... -
What is the definition of gem’s gloss?
Posted on November 30, 2009 | No CommentsThe gloss is the intensity and trait of the reflexion of the gem’s surface. It depends largely on the reflactive index, the bigger the reflactive index is, the more intense... -
What conditions can the gem mineral be viewed as gem?
Posted on November 22, 2009 | No CommentsBasing on what conditions can the gem mineral be viewed as gem? Strictly the gem mineral can be called gem only after they are being processed and used for ornament....
