amber
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Amber is a fossil of natural resin and a gem. Semi-fossil amber is called copal, and heat-compression-molded recycled amber is called ambroid. It has been prized as a jewelery item in both the West and the East. It has a hardness comparable to that of minerals, and its color is amber, yellowish brown or … Read More

andradite
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It is a kind of garnet. Garnet has a strong impression of red gemstones, but in reality it is not a name that refers to one gemstone, but a group name of minerals that can be divided into more than 20 types. And this is a kind of calcium-based garnet. The crystals of Andradito … Read More

[Kanji] Andradite T-Shirt
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[Kanji] Andradite T-Shirt a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black. The crystals of Andradito garnet are in the form of rhombic dodecahedrons and rhombic dodecahedrons. One of the features is the high refractive index and high light dispersion rate, and you … Read More

[Kanji] Andradite V-neck T-Shirt
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a garnet consisting of calcium iron silicate and having any color ranging from yellow and green to brown and black. The crystals of Andradito garnet are in the form of rhombic dodecahedrons and rhombic dodecahedrons. One of the features is the high refractive index and high light dispersion rate, and you can enjoy a … Read More