ANGIDRIT
ANGIDRIT — sulfatlar sinfiga mansub mineral. Kimyoviy formulasi CaSO4. Rombik singoniyali. Qattiqligi 3,5—3,8. Sof og’irligi 2,9—3,0. Mo’rt. Rangsiz yoki oq, ba’zan och havo rang, kulrang, qizg’ish, ko’k. Shishasimon yaltiroq. Angidrit … Read More