MINERALS
This is the exhibition room of minerals. Please see it.

	The blue color of this mineral is very beautiful. You can see a big image when you click the part of a blue crystal. Kyanite ; Al2SiO5 　[USA]
	The color of Mica is white or black. Lepidolite in the photograph is light purple. Because, Lepidolite is including Lithium. Lepidolite ; K(Li,Al)3(AlSi3O10)(OH,F)2 　[Brazil]
	Pyrite is the golden mineral. The ideal form of this mineral is a cube. Pyrite in the photograph is called 'Pyrite Ring' or 'Pyrite Sun'. This is not pure Pyrite. Pyrite ; FeS2 　[Unknown]
	This is the raw ore of an Opal. In Australia, I bought this. The gloss of the Opal is very mysterious. You can see a big image when you click the photograph. And, you can look at the section when you click here. Opal ; SiO2・nH2O 　[Australia]
	The crystal is the quartz of an ideal structure. This is a kind of the most popular minerals. Quartz ; SiO2 　[USA]
	In the past, the Amethyst was used as medicine. The color of the Amethyst is colored by iron ion. You can see the image that expanded by clicking the photograph. You can look at the section when you click here. Amethyst(Quartz) ; SiO2 　[Brazil]
	The mineral like this orange sherbet is a kind of Calcite. Orange-color Calcite(Calcite) ;CaCO3 　[Mexico]