Green glowstone taking pure matrix materials as raw materials and preparation method thereof

The invention provides a green glowstone taking pure matrix materials as raw materials and a preparation method thereof. A host material has a chemical formula of Ca2Zn(1-y-0.5z)MzSi(2-0.75x)AlxO(7-y), wherein x is equal to 0.05-0.15, y is equal to 0.01-0.10, z is equal to 0.01-0.10, and M is Na or K; the auxiliary materials comprise zinc phosphate and aluminum phosphate powder. The green luminescence materials account for 90-93wt%, and the auxiliary materials account for 3-10wt%. The green glowstone is directly prepared by adopting a high-temperature calcining process. After the green glowstone is subjected to ultraviolet light irradiation for 15 minutes, bright green glow emitted by the glowstone can be observed in a darkroom, afterglow time can reach 12 hours or longer due to visual inspection, and the appearance and luminous effect can exceed those of natural legendary luminous pearls after grinding and polishing. In addition, the raw materials do not contain expensive rare earth elements, and the cost of