GARNET COMPOUND AND METHOD FOR PRODUCING SAME, LIGHT EMITTING DEVICE AND DECORATIVE ARTICLE USING GARNET COMPOUND, AND METHODOF USING GARNET COMPOUND

摘要

This garnet compound comprises: a single particle having a particle shape derived from the crystal structure of garnet; or an assembly of the single particles. This garnet compound has a composition represented by the general formula: A'3B'2(C'X4)3 (1), (in the formula, A', B', and C' are a cation that forms the garnet compound and X is an anion that forms the garnet compound), and B' and C' do not include iron as a main ingredient. The single particle of the garnet compound has a particle size defined as that of sand in geology. This garnet compound has an iron content of 1000 ppm or less.