Rajasthan GK " " Hari agni , Hara Ratna Kis Khanij Ko Kahaa Jata Hai ?

" " हरी अग्नि , हरा रत्न किस खनिज को कहा जाता है ? - "What is the green gem, the green gem? - " " Hari agni , Hara Ratna Kis Khanij Ko Kahaa Jata Hai ? Rajasthan GK in hindi,  Mineral Resources of Rajasthan Gypsum question answers in hindi pdf  Panna ( emerald ) questions in hindi, Know About Gheeya Patthar Rajasthan GK online test Rajasthan GK notes in hindi quiz book    Hara Sangmarmar