
2018.03.02
Like the morning mist, in the hazy quartz crystal, glittering looks in some places is the "pyrite". Pyrite has once been referred as a "fool gold". Because of the dazzling golden appearance . Its character is to become a cube during crystallize, but in these pendant head, one by one is actually a...
2018.02.25
Zircon can be divided into high type, medium type, and low type. Even they have the same name, but the crystal structure is different. The difference in the crystal structure will be used to identify the type of the jewelry ー"the characteristic values (hardness, specific gravity, refractive index, ...
2018.02.16
The magma that goes up springing from underground, at that moment, the likely uplifting gem is the "fire agate". It has beautiful iridescent rainbow colors, portray a variety of patterns. The secret to the rainbow colors is due to the interference of light to the several overlapped layer of iron...
2018.02.06
The semi-precious stone that comes with variety of colors ー the tourmaline. Among them, there is indicolite (blue tourmaline) with a high scarcity". The name Indicolite is came from the Latin word, meaning 'indicum plant'. The blue greenish color is a special color only for indicolite. There is no ...
2018.01.19
The "Mali Garnet", discovered in Mali, in west Africa, is a garnet that located in the middle of andradite garnet (demantoid etc.) grossularite (tsavorite etc.), it is a little luxury gemstone. It is like ... taking place in good father and mother. With high transparency, a pair shapes and round b...